Added the falling rocks trap. The player can now trigger the rocks to fall and the death and respawn script will run when a collision is detected. Need to look at an issue where the collision is detected even when the player is not hit. Possibly the camera?

game/Assets/Scripts/Death & Respawn/DeathZone.cs

@@ -22,7 +22,7 @@ public class DeathZone : MonoBehaviour
     }
 
     // Corountine to trigger death animation, disable player movement, play fade, respawn player at last safe position and then play fade in animation and re-enable player movement.
-    IEnumerator RespawnPlayer()
+     public IEnumerator RespawnPlayer()
     {
         animator.SetTrigger("IsDead");
         _playerInput.enabled = false;

game/Assets/Scripts/Traps/FallingRocks.cs

@@ -0,0 +1,33 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class FallingRocks : MonoBehaviour
+{
+    Rigidbody rb;
+    public float speed;
+    [SerializeField] private DeathZone _dz;
+
+    private void Start()
+    {
+        rb = GetComponent<Rigidbody>();
+    }
+
+    // Use OnTrigger to make the "rocks" fall to the ground. Rate of fall can be controlled with speed variable.
+    private void OnTriggerEnter(Collider other)
+    {
+        if (other.gameObject.CompareTag("Player"))
+        {
+            rb.velocity = Vector3.down * speed;
+        }
+    }
+
+    // Use OnCollison to call respawn method from DeathZone script.
+    private void OnCollisionEnter(Collision collision)
+    {
+        // Check code is working in log. Can be deleted at a later stage.
+        Debug.Log("Dead");
+        // Call respawn coroutine from DeathZone script.
+        StartCoroutine(_dz.RespawnPlayer());
+    }
+}

game/Assets/Scripts/Traps/FallingRocks.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: dd465a93255c6bf4090c0f0a8897d07b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: