diff --git a/README.md b/README.md
index 507a38b..b692ea7 100644
--- a/README.md
+++ b/README.md
@@ -213,8 +213,8 @@ These are all the options that can be changed for an arena.
 | winLocation               | The location players must reach to win the arena (see spawnLocation for valid values). If set, this overrides, and is used instead of, the win block type.                                    |
 | checkpointAdd             | Adds a new checkpoint to the arena's checkpoints (see spawnLocation for valid values).                                                                                                        |
 | checkpointClear           | Clears all current checkpoints. Give any value to execute. If not given a value, current checkpoints are shown.                                                                               |
-| killPlaneBlocks           | A comma-separated list of materials which will force a loss on hit. +WOOL and other [material tags](#notes-about-material-tags) are supported as well.                                        |
-| horizontalKillPlaneHitBox | The number of blocks away kill plane blocks will trigger horizontally (0-1). This only affects things less than 1 block wide, such as horizontal lightning and end rods.                      |
+| killPlaneBlocks           | A comma-separated list of materials which will force a loss when stepped on. +WOOL and other [material tags](#notes-about-material-tags) are supported as well.                               |
+| obstacleBlocks            | A comma-separated list of materials which will force a loss when touched from any direction. +WOOL and other [material tags](#notes-about-material-tags) are supported as well.               |
 
 ## Configuration options
 
@@ -249,6 +249,7 @@ These are all the options that can be changed for an arena.
 | mustDoGroupedInSequence           | true/false | true                                 | Whether grouped dropper arenas must be played in the correct sequence                                                                                                                                                                                      |
 | ignoreRecordsUntilGroupBeatenOnce | true/false | false                                | Whether records won't be registered unless the player has already beaten all arenas in a group. That means players are required to do a second play-through to register a record for a grouped arena.                                                      |
 | killPlaneBlocks                   | list       | [see this](#killplaneblocks-default) | The types of blocks compromising parkour arenas' kill planes. Add any materials you want to use for the "bottom" of your parkour arenas. +WOOL and other [material tags](#notes-about-material-tags) are supported.                                        |
+| obstacleBlocks                    | list       | [see this](#obstacleblocks-default)  | The types of blocks treated as obstacles in every direction. +WOOL and other [material tags](#notes-about-material-tags) are supported.                                                                                                                    |
 
 #### blockWhitelist default:
 
@@ -270,6 +271,12 @@ These are all the options that can be changed for an arena.
 - LAVA
 - MAGMA_BLOCK
 
+#### obstacleBlocks default:
+
+- END_ROD
+- LIGHTNING_ROD
+- CHAIN
+
 ## Record placeholders
 
 Player records can be displayed on a leaderboard by using PlaceholderAPI. If you want to display a sign-based
diff --git a/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArena.java b/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArena.java
index b6e9ed5..97cf974 100644
--- a/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArena.java
+++ b/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArena.java
@@ -74,9 +74,14 @@ public class ParkourArena implements Arena {
     private @Nullable Set<Material> killPlaneBlocks;
 
     /**
-     * The number of horizontal blocks the hit-box of kill plane blocks should cover
+     * The names of the block types serving as obstacles for this arena
      */
-    private double horizontalKillPlaneHitBox;
+    private @Nullable Set<String> obstacleBlockNames;
+
+    /**
+     * The block types serving as obstacles for this arena
+     */
+    private @Nullable Set<Material> obstacleBlocks;
 
     /**
      * The checkpoints for this arena. Entering a checkpoint overrides the player's spawn location.
@@ -95,22 +100,22 @@ public class ParkourArena implements Arena {
     /**
      * Instantiates a new parkour arena
      *
-     * @param arenaId                   <p>The id of the arena</p>
-     * @param arenaName                 <p>The name of the arena</p>
-     * @param spawnLocation             <p>The location players spawn in when entering the arena</p>
-     * @param exitLocation              <p>The location the players are teleported to when exiting the arena, or null</p>
-     * @param winBlockType              <p>The material of the block players have to hit to win this parkour arena</p>
-     * @param winLocation               <p>The location a player has to reach to win this arena</p>
-     * @param killPlaneBlockNames       <p>The names of the type of blocks</p>
-     * @param horizontalKillPlaneHitBox <p>The number of horizontal blocks the hit-box of kill plane blocks should cover</p>
-     * @param checkpoints               <p>The checkpoints set for this arena</p>
-     * @param rewards                   <p>The rewards given by this arena</p>
-     * @param parkourArenaData          <p>The arena data keeping track of which players have done what in this arena</p>
-     * @param arenaHandler              <p>The arena handler used for saving any changes</p>
+     * @param arenaId             <p>The id of the arena</p>
+     * @param arenaName           <p>The name of the arena</p>
+     * @param spawnLocation       <p>The location players spawn in when entering the arena</p>
+     * @param exitLocation        <p>The location the players are teleported to when exiting the arena, or null</p>
+     * @param winBlockType        <p>The material of the block players have to hit to win this parkour arena</p>
+     * @param winLocation         <p>The location a player has to reach to win this arena</p>
+     * @param killPlaneBlockNames <p>The names of the types of blocks that trigger a loss when stepped on</p>
+     * @param obstacleBlockNames  <p>The names of the types of blocks that trigger a loss when touched</p>
+     * @param checkpoints         <p>The checkpoints set for this arena</p>
+     * @param rewards             <p>The rewards given by this arena</p>
+     * @param parkourArenaData    <p>The arena data keeping track of which players have done what in this arena</p>
+     * @param arenaHandler        <p>The arena handler used for saving any changes</p>
      */
     public ParkourArena(@NotNull UUID arenaId, @NotNull String arenaName, @NotNull Location spawnLocation,
                         @Nullable Location exitLocation, @NotNull Material winBlockType, @Nullable Location winLocation,
-                        @Nullable Set<String> killPlaneBlockNames, double horizontalKillPlaneHitBox,
+                        @Nullable Set<String> killPlaneBlockNames, @Nullable Set<String> obstacleBlockNames,
                         @NotNull List<Location> checkpoints,
                         @NotNull Map<RewardCondition, Set<Reward>> rewards,
                         @NotNull ParkourArenaData parkourArenaData, @NotNull ParkourArenaHandler arenaHandler) {
@@ -123,7 +128,9 @@ public class ParkourArena implements Arena {
         this.killPlaneBlockNames = killPlaneBlockNames;
         this.killPlaneBlocks = this.killPlaneBlockNames == null ? null : MaterialHelper.loadMaterialList(
                 new ArrayList<>(killPlaneBlockNames), "+", MiniGames.getInstance().getLogger());
-        this.horizontalKillPlaneHitBox = horizontalKillPlaneHitBox;
+        this.obstacleBlockNames = obstacleBlockNames;
+        this.obstacleBlocks = this.obstacleBlockNames == null ? null : MaterialHelper.loadMaterialList(
+                new ArrayList<>(obstacleBlockNames), "+", MiniGames.getInstance().getLogger());
         this.checkpoints = checkpoints;
         this.parkourArenaData = parkourArenaData;
         this.parkourArenaHandler = arenaHandler;
@@ -156,9 +163,9 @@ public class ParkourArena implements Arena {
         this.parkourArenaData = new ParkourArenaData(this.arenaId, recordRegistries, new HashMap<>());
         this.winBlockType = Material.EMERALD_BLOCK;
         this.killPlaneBlocks = null;
+        this.obstacleBlocks = null;
         this.checkpoints = new ArrayList<>();
         this.parkourArenaHandler = arenaHandler;
-        this.horizontalKillPlaneHitBox = 0.1;
     }
 
     @Override
@@ -251,34 +258,25 @@ public class ParkourArena implements Arena {
     }
 
     /**
-     * Gets the number of horizontal blocks the hit-box of kill plane blocks should cover
+     * Gets the block types used for this parkour arena's obstacle blocks
      *
-     * <p>This is kind of hard to explain, but basically, when the player is less than the specified amount of blocks
-     * away from a kill plane block horizontally, a fail will be triggered. Sane values for this would usually be
-     * between 0.01 amd 1.</p>
-     *
-     * @return <p>The number of horizontal blocks the hit-box of kill plane blocks should cover</p>
+     * @return <p>The types of blocks used as obstacles</p>
      */
-    public double getHorizontalKillPlaneHitBox() {
-        return this.horizontalKillPlaneHitBox;
+    public @NotNull Set<Material> getObstacleBlocks() {
+        if (this.obstacleBlocks != null) {
+            return new HashSet<>(this.obstacleBlocks);
+        } else {
+            return MiniGames.getInstance().getParkourConfiguration().getObstacleBlocks();
+        }
     }
 
     /**
-     * Sets the number of horizontal blocks the hit-box of kill plane blocks should cover
+     * Gets the names of the blocks used as this arena's obstacle blocks
      *
-     * <p>This is kind of hard to explain, but basically, when the player is less than the specified amount of blocks
-     * away from a kill plane block horizontally, a fail will be triggered. Sane values for this would usually be
-     * between 0.01 amd 1.</p>
-     *
-     * @param horizontalKillPlaneHitBox <p>The number of horizontal blocks the hit-box of kill plane blocks should cover</p>
+     * @return <p>The names of the blocks used as this arena's obstacle blocks</p>
      */
-    public boolean setHorizontalKillPlaneHitBox(double horizontalKillPlaneHitBox) {
-        if (horizontalKillPlaneHitBox > 1 || horizontalKillPlaneHitBox < -1) {
-            return false;
-        }
-        this.horizontalKillPlaneHitBox = horizontalKillPlaneHitBox;
-        this.saveArena();
-        return true;
+    public @Nullable Set<String> getObstacleBlockNames() {
+        return this.obstacleBlockNames;
     }
 
     /**
@@ -335,7 +333,7 @@ public class ParkourArena implements Arena {
 
     @Override
     public boolean willCauseLoss(Block block) {
-        return this.getKillPlaneBlocks().contains(block.getType());
+        return this.getKillPlaneBlocks().contains(block.getType()) || this.getObstacleBlocks().contains(block.getType());
     }
 
     @Override
@@ -451,6 +449,28 @@ public class ParkourArena implements Arena {
         return true;
     }
 
+    /**
+     * Sets the type of blocks used as obstacle blocks
+     *
+     * @param obstacleBlockNames <p>The names of the obstacle blocks</p>
+     */
+    public boolean setObstacleBlocks(@NotNull Set<String> obstacleBlockNames) {
+        if (obstacleBlockNames.isEmpty()) {
+            this.obstacleBlockNames = null;
+            this.obstacleBlocks = null;
+        } else {
+            Set<Material> parsed = MaterialHelper.loadMaterialList(new ArrayList<>(obstacleBlockNames), "+",
+                    MiniGames.getInstance().getLogger());
+            if (parsed.isEmpty()) {
+                return false;
+            }
+            this.obstacleBlockNames = obstacleBlockNames;
+            this.obstacleBlocks = parsed;
+        }
+        this.saveArena();
+        return true;
+    }
+
     /**
      * Adds a checkpoint to this arena
      *
diff --git a/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArenaEditableProperty.java b/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArenaEditableProperty.java
index 2a20438..247727e 100644
--- a/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArenaEditableProperty.java
+++ b/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArenaEditableProperty.java
@@ -64,10 +64,12 @@ public enum ParkourArenaEditableProperty {
             EditablePropertyType.MATERIAL_LIST),
 
     /**
-     * The horizontal hit-box of kill blocks
+     * The blocks used as this arena's obstacle blocks
      */
-    HORIZONTAL_KILL_PLANE_HIT_BOX("horizontalKillPlaneHitBox",
-            (arena) -> String.valueOf(arena.getHorizontalKillPlaneHitBox()), EditablePropertyType.DOUBLE);
+    OBSTACLE_BLOCKS("obstacleBlocks", (arena) -> String.valueOf(arena.getObstacleBlockNames()),
+            EditablePropertyType.MATERIAL_LIST),
+
+    ;
 
     private final @NotNull String argumentString;
     private final Function<ParkourArena, String> currentValueProvider;
diff --git a/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArenaStorageKey.java b/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArenaStorageKey.java
index 7b9da13..9923ebf 100644
--- a/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArenaStorageKey.java
+++ b/src/main/java/net/knarcraft/minigames/arena/parkour/ParkourArenaStorageKey.java
@@ -43,9 +43,9 @@ public enum ParkourArenaStorageKey {
     KILL_PLANE_BLOCKS("killPlaneBlocks"),
 
     /**
-     * The key for this arena's horizontal kill plane hit box
+     * The key for this arena's obstacle blocks (overrides the config)
      */
-    HORIZONTAL_KILL_PLANE_HIT_BOX("horizontalKillPlaneHitBox"),
+    OBSTACLE_BLOCKS("obstacleBlocks"),
 
     /**
      * The key for this arena's checkpoint locations
diff --git a/src/main/java/net/knarcraft/minigames/command/parkour/EditParkourArenaCommand.java b/src/main/java/net/knarcraft/minigames/command/parkour/EditParkourArenaCommand.java
index 238dbac..7762c06 100644
--- a/src/main/java/net/knarcraft/minigames/command/parkour/EditParkourArenaCommand.java
+++ b/src/main/java/net/knarcraft/minigames/command/parkour/EditParkourArenaCommand.java
@@ -98,7 +98,7 @@ public class EditParkourArenaCommand implements CommandExecutor {
             case CHECKPOINT_ADD -> arena.addCheckpoint(parseLocation(player, value));
             case CHECKPOINT_CLEAR -> arena.clearCheckpoints();
             case KILL_PLANE_BLOCKS -> arena.setKillPlaneBlocks(new HashSet<>(List.of(value.split(","))));
-            case HORIZONTAL_KILL_PLANE_HIT_BOX -> arena.setHorizontalKillPlaneHitBox(Double.parseDouble(value));
+            case OBSTACLE_BLOCKS -> arena.setObstacleBlocks(new HashSet<>(List.of(value.split(","))));
         };
     }
 
diff --git a/src/main/java/net/knarcraft/minigames/config/ParkourConfiguration.java b/src/main/java/net/knarcraft/minigames/config/ParkourConfiguration.java
index c0f3848..28ab97f 100644
--- a/src/main/java/net/knarcraft/minigames/config/ParkourConfiguration.java
+++ b/src/main/java/net/knarcraft/minigames/config/ParkourConfiguration.java
@@ -17,6 +17,7 @@ public class ParkourConfiguration extends MiniGameConfiguration {
     private boolean mustDoGroupedInSequence;
     private boolean ignoreRecordsUntilGroupBeatenOnce;
     private Set<Material> killPlaneBlocks;
+    private Set<Material> obstacleBlocks;
 
     /**
      * Instantiates a new dropper configuration
@@ -63,12 +64,22 @@ public class ParkourConfiguration extends MiniGameConfiguration {
         return new HashSet<>(this.killPlaneBlocks);
     }
 
+    /**
+     * Gets all types of blocks constituting parkour arena's obstacle blocks
+     *
+     * @return <p>The types of blocks constituting parkour arena's obstacle blocks</p>
+     */
+    public Set<Material> getObstacleBlocks() {
+        return new HashSet<>(this.obstacleBlocks);
+    }
+
     @Override
     protected void load() {
         this.enforceCheckpointOrder = configuration.getBoolean(rootNode + "enforceCheckpointOrder", false);
         this.mustDoGroupedInSequence = configuration.getBoolean(rootNode + "mustDoGroupedInSequence", true);
         this.ignoreRecordsUntilGroupBeatenOnce = configuration.getBoolean(rootNode + "ignoreRecordsUntilGroupBeatenOnce", false);
         this.killPlaneBlocks = loadMaterialList(rootNode + "killPlaneBlocks");
+        this.obstacleBlocks = loadMaterialList(rootNode + "obstacleBlocks");
     }
 
     @Override
@@ -82,6 +93,10 @@ public class ParkourConfiguration extends MiniGameConfiguration {
         for (Material material : killPlaneBlocks) {
             builder.append("\n  - ").append(material.name());
         }
+        builder.append("\n" + "Obstacle blocks: ");
+        for (Material material : obstacleBlocks) {
+            builder.append("\n  - ").append(material.name());
+        }
         return builder.toString();
     }
 
diff --git a/src/main/java/net/knarcraft/minigames/listener/MoveListener.java b/src/main/java/net/knarcraft/minigames/listener/MoveListener.java
index 029a16d..cc35fc4 100644
--- a/src/main/java/net/knarcraft/minigames/listener/MoveListener.java
+++ b/src/main/java/net/knarcraft/minigames/listener/MoveListener.java
@@ -15,6 +15,7 @@ import net.knarcraft.minigames.config.ParkourConfiguration;
 import net.knarcraft.minigames.config.SharedConfiguration;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -34,6 +35,8 @@ import java.util.Set;
  */
 public class MoveListener implements Listener {
 
+    private static final BoundingBox fullBlockBox = new BoundingBox(0, 0, 0, 1, 1, 1);
+
     private final DropperConfiguration dropperConfiguration;
     private final ParkourConfiguration parkourConfiguration;
 
@@ -51,12 +54,15 @@ public class MoveListener implements Listener {
     @EventHandler
     public void onPlayerMove(PlayerMoveEvent event) {
         // Ignore if no actual movement is happening
-        if (event.getFrom().equals(event.getTo()) || event.getTo() == null) {
+        if (event.getTo() == null) {
             return;
         }
 
         ArenaSession session = MiniGames.getInstance().getSession(event.getPlayer().getUniqueId());
         if (session instanceof DropperArenaSession dropperSession) {
+            if (event.getFrom().equals(event.getTo())) {
+                return;
+            }
             doDropperArenaChecks(event, dropperSession);
         } else if (session instanceof ParkourArenaSession parkourSession) {
             doParkourArenaChecks(event, parkourSession);
@@ -70,8 +76,7 @@ public class MoveListener implements Listener {
      * @param arenaSession <p>The dropper session of the player triggering the event</p>
      */
     private void doParkourArenaChecks(@NotNull PlayerMoveEvent event, ParkourArenaSession arenaSession) {
-        // Ignore movement which won't cause the player's block to change
-        if (event.getTo() == null || isSameLocation(event.getFrom(), event.getTo())) {
+        if (event.getTo() == null) {
             return;
         }
 
@@ -228,7 +233,7 @@ public class MoveListener implements Listener {
                 }
             }
         } else if (arena instanceof ParkourArena) {
-            return checkParkourDeathBlock(arenaSession, toLocation);
+            return checkParkourDeathBlock((ParkourArenaSession) arenaSession, toLocation);
         }
 
         return false;
@@ -241,35 +246,49 @@ public class MoveListener implements Listener {
      * @param toLocation   <p>The location the player is moving to</p>
      * @return <p>True if the player hit a death block</p>
      */
-    private boolean checkParkourDeathBlock(@NotNull ArenaSession arenaSession,
+    private boolean checkParkourDeathBlock(@NotNull ParkourArenaSession arenaSession,
                                            @NotNull Location toLocation) {
-        // If the player is standing on a non-full block, event.getTo will give the correct block, but if not, the 
-        // block below has to be checked instead.
-        Set<Block> blocksBelow = getBlocksBeneathLocation(toLocation, 0);
-        Set<Block> adjustedBlocks = new HashSet<>();
-        for (Block block : blocksBelow) {
-            if (block.getType().isAir()) {
-                block = block.getLocation().clone().subtract(0, 0.2, 0).getBlock();
-                // Only trigger hit detection for passable blocks if the player is in the block
-                if (block.isPassable()) {
-                    continue;
-                }
-            }
-            if (arenaSession.getArena().willCauseLoss(block)) {
-                adjustedBlocks.add(block);
-            }
+        // A simple check, only for kill blocks
+        if (isOnKillBlock(arenaSession, toLocation)) {
+            return true;
+        }
+
+        // As the check for obstacle blocks is extensive, it's skipped if possible
+        Set<Material> obstacleBlocks = arenaSession.getArena().getObstacleBlocks();
+        if (obstacleBlocks.isEmpty()) {
+            return false;
         }
 
         // Create a hit-box approximate to the player's real hit-box
-        double horizontalHitBox = ((ParkourArena) arenaSession.getArena()).getHorizontalKillPlaneHitBox();
-        BoundingBox playerBox = new BoundingBox(-horizontalHitBox, -0.1, -horizontalHitBox,
-                0.6 + horizontalHitBox, 1, 0.6 + horizontalHitBox).shift(
+        double playerHeight = 1.8;
+        Player player = Bukkit.getPlayer(arenaSession.getEntryState().getPlayerId());
+        if (player != null && player.isSneaking()) {
+            playerHeight = 1.5;
+        }
+        BoundingBox playerBox = new BoundingBox(-0.05, -0.05, -0.05,
+                0.6 + 0.05, playerHeight + 0.05, 0.6 + 0.05).shift(
+                toLocation).shift(-0.3, -0.05, -0.3);
+        BoundingBox playerPassableBox = new BoundingBox(0.2, 0.5, 0.2,
+                0.4, playerHeight - 0.5, 0.4).shift(
                 toLocation).shift(-0.3, 0, -0.3);
-        for (Block block : adjustedBlocks) {
-            // For liquids, or anything without a proper collision shape, trigger collision
+        Set<Block> possiblyHitBlocks = new HashSet<>();
+        possiblyHitBlocks.addAll(getBlocksBeneathLocation(toLocation, 0, 0.01));
+        possiblyHitBlocks.addAll(getBlocksBeneathLocation(toLocation, 1, 0.01));
+        possiblyHitBlocks.addAll(getBlocksBeneathLocation(toLocation, -1, 0.01));
+        possiblyHitBlocks.addAll(getBlocksBeneathLocation(toLocation, -2, 0.01));
+
+        for (Block block : possiblyHitBlocks) {
+            if (!obstacleBlocks.contains(block.getType())) {
+                continue;
+            }
+
+            // For liquids, or anything without a proper collision shape, trigger collision if the player is partly 
+            // inside when treated as a full block
             if (block.isLiquid() || block.getCollisionShape().getBoundingBoxes().isEmpty()) {
-                arenaSession.triggerLoss();
-                return true;
+                if (playerPassableBox.overlaps(fullBlockBox.clone().shift(block.getLocation()))) {
+                    arenaSession.triggerLoss();
+                    return true;
+                }
             }
 
             // Check whether the player's actual hit-box is intersecting with a block
@@ -286,6 +305,34 @@ public class MoveListener implements Listener {
         return false;
     }
 
+    /**
+     * As simple check for whether a player is moving on top of a kill block
+     *
+     * @param arenaSession <p>The arena session the player is in</p>
+     * @param toLocation   <p>The location the player is moving to</p>
+     * @return <p>True if the player is on a kill block, and a loss has been triggered</p>
+     */
+    private boolean isOnKillBlock(ParkourArenaSession arenaSession, Location toLocation) {
+        // If the player is standing on a non-full block, event.getTo will give the correct block, but if not, the 
+        // block below has to be checked instead.
+        Set<Block> blocksBelow = getBlocksBeneathLocation(toLocation, 0);
+        Set<Material> killPlaneBlocks = arenaSession.getArena().getKillPlaneBlocks();
+        for (Block block : blocksBelow) {
+            if (block.getType().isAir()) {
+                block = block.getLocation().clone().subtract(0, 0.2, 0).getBlock();
+                // Only trigger hit detection for passable blocks if the player is in the block
+                if (block.isPassable()) {
+                    continue;
+                }
+            }
+            if (killPlaneBlocks.contains(block.getType())) {
+                arenaSession.triggerLoss();
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * Gets the blocks at the given location that will be affected by the player's hit-box
      *
@@ -293,12 +340,31 @@ public class MoveListener implements Listener {
      * @return <p>The blocks beneath the player</p>
      */
     private Set<Block> getBlocksBeneathLocation(Location location, double depth) {
+        return getBlocksBeneathLocation(location, depth, 0);
+    }
+
+    /**
+     * Gets the blocks at the given location that will be affected by the player's hit-box
+     *
+     * @param location   <p>The location to check</p>
+     * @param extraRange <p>Extra range of the square used for finding blocks</p>
+     * @return <p>The blocks beneath the player</p>
+     */
+    private Set<Block> getBlocksBeneathLocation(Location location, double depth, double extraRange) {
         Set<Block> blocksBeneath = new HashSet<>();
-        double halfPlayerWidth = 0.3;
+        double halfPlayerWidth = 0.3 + extraRange;
         blocksBeneath.add(location.clone().subtract(halfPlayerWidth, depth, halfPlayerWidth).getBlock());
         blocksBeneath.add(location.clone().subtract(-halfPlayerWidth, depth, halfPlayerWidth).getBlock());
         blocksBeneath.add(location.clone().subtract(halfPlayerWidth, depth, -halfPlayerWidth).getBlock());
         blocksBeneath.add(location.clone().subtract(-halfPlayerWidth, depth, -halfPlayerWidth).getBlock());
+        // Once a certain size is reached, if the player is in the centre of a block, 9 must be accounted for
+        if (halfPlayerWidth > 0.5) {
+            blocksBeneath.add(location.getBlock());
+            blocksBeneath.add(location.clone().subtract(halfPlayerWidth, depth, 0).getBlock());
+            blocksBeneath.add(location.clone().subtract(-halfPlayerWidth, depth, 0).getBlock());
+            blocksBeneath.add(location.clone().subtract(0, depth, -halfPlayerWidth).getBlock());
+            blocksBeneath.add(location.clone().subtract(0, depth, halfPlayerWidth).getBlock());
+        }
         return blocksBeneath;
     }
 
diff --git a/src/main/java/net/knarcraft/minigames/util/ParkourArenaStorageHelper.java b/src/main/java/net/knarcraft/minigames/util/ParkourArenaStorageHelper.java
index f7c7135..ed3ef5d 100644
--- a/src/main/java/net/knarcraft/minigames/util/ParkourArenaStorageHelper.java
+++ b/src/main/java/net/knarcraft/minigames/util/ParkourArenaStorageHelper.java
@@ -135,7 +135,7 @@ public final class ParkourArenaStorageHelper {
         configSection.set(ParkourArenaStorageKey.WIN_BLOCK_TYPE.getKey(), new SerializableMaterial(arena.getWinBlockType()));
         configSection.set(ParkourArenaStorageKey.WIN_LOCATION.getKey(), arena.getWinLocation());
         configSection.set(ParkourArenaStorageKey.KILL_PLANE_BLOCKS.getKey(), getKillPlaneBlocks(arena));
-        configSection.set(ParkourArenaStorageKey.HORIZONTAL_KILL_PLANE_HIT_BOX.getKey(), arena.getHorizontalKillPlaneHitBox());
+        configSection.set(ParkourArenaStorageKey.OBSTACLE_BLOCKS.getKey(), getObstacleBlocks(arena));
         configSection.set(ParkourArenaStorageKey.CHECKPOINTS.getKey(), arena.getCheckpoints());
         RewardStorageHelper.saveRewards(arena, configSection, ParkourArenaStorageKey.REWARDS.getKey());
         saveParkourArenaData(arena.getData());
@@ -155,6 +155,20 @@ public final class ParkourArenaStorageHelper {
         }
     }
 
+    /**
+     * Gets a list of the obstacle blocks for the given arena
+     *
+     * @param arena <p>The arena to get obstacle blocks for</p>
+     * @return <p>The obstacle blocks</p>
+     */
+    private static List<String> getObstacleBlocks(ParkourArena arena) {
+        if (arena.getObstacleBlockNames() == null) {
+            return new ArrayList<>();
+        } else {
+            return new ArrayList<>(arena.getObstacleBlockNames());
+        }
+    }
+
     /**
      * Loads all arenas
      *
@@ -205,12 +219,17 @@ public final class ParkourArenaStorageHelper {
         List<?> killPlaneBlockNamesList = configurationSection.getList(ParkourArenaStorageKey.KILL_PLANE_BLOCKS.getKey());
         Set<String> killPlaneBlockNames;
         if (killPlaneBlockNamesList == null) {
-            killPlaneBlockNames = new HashSet<>();
+            killPlaneBlockNames = null;
         } else {
             killPlaneBlockNames = new HashSet<>((List<String>) killPlaneBlockNamesList);
         }
-        double horizontalKillPlaneHitBox = configurationSection.getDouble(
-                ParkourArenaStorageKey.HORIZONTAL_KILL_PLANE_HIT_BOX.getKey(), 0);
+        List<?> obstacleBlockNamesList = configurationSection.getList(ParkourArenaStorageKey.OBSTACLE_BLOCKS.getKey());
+        Set<String> obstacleBlockNames;
+        if (obstacleBlockNamesList == null) {
+            obstacleBlockNames = null;
+        } else {
+            obstacleBlockNames = new HashSet<>((List<String>) obstacleBlockNamesList);
+        }
         List<Location> checkpoints = (List<Location>) configurationSection.get(ParkourArenaStorageKey.CHECKPOINTS.getKey());
 
         Map<RewardCondition, Set<Reward>> rewards = RewardStorageHelper.loadRewards(configurationSection,
@@ -242,7 +261,7 @@ public final class ParkourArenaStorageHelper {
         }
 
         return new ParkourArena(arenaId, arenaName, spawnLocation, exitLocation, winBlockType.getRawValue(), winLocation,
-                killPlaneBlockNames, horizontalKillPlaneHitBox, checkpoints, rewards, arenaData,
+                killPlaneBlockNames, obstacleBlockNames, checkpoints, rewards, arenaData,
                 MiniGames.getInstance().getParkourArenaHandler());
     }
 
diff --git a/src/main/java/net/knarcraft/minigames/util/TabCompleteHelper.java b/src/main/java/net/knarcraft/minigames/util/TabCompleteHelper.java
index 3ceb900..213b515 100644
--- a/src/main/java/net/knarcraft/minigames/util/TabCompleteHelper.java
+++ b/src/main/java/net/knarcraft/minigames/util/TabCompleteHelper.java
@@ -137,6 +137,7 @@ public final class TabCompleteHelper {
         List<String> suggestions = new ArrayList<>();
         suggestions.add("LAVA,MAGMA_BLOCK");
         suggestions.add("WATER,MAGMA_BLOCK,LAVA,+BUTTONS,+CORALS");
+        suggestions.add("CHAIN,END_ROD,LIGHTNING_ROD");
         return suggestions;
     }
 
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 8fee7e6..00181a9 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -20,6 +20,12 @@ parkour:
   killPlaneBlocks:
     - LAVA
     - MAGMA_BLOCK
+  
+  # The blocks treated as obstacles in a parkour arena, which will trigger a loss in any direction
+  obstacleBlocks:
+    - END_ROD
+    - LIGHTNING_ROD
+    - CHAIN
 dropper:
   # Whether to block using the shift key to drop faster than the intended drop speed
   blockSneaking: true