diff --git a/project.godot b/project.godot
index d27d38e..1c15ea6 100644
--- a/project.godot
+++ b/project.godot
@@ -55,7 +55,7 @@ hero_5_confirm_portal=[ Object(InputEventMouseButton,"resource_local_to_scene":f
  ]
 hero_5_remove_portal=[ Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"button_mask":0,"position":Vector2( 0, 0 ),"global_position":Vector2( 0, 0 ),"factor":1.0,"button_index":2,"pressed":false,"doubleclick":false,"script":null)
  ]
-primary_action=[ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":46,"unicode":0,"echo":false,"script":null)
+primary_ability=[ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":46,"unicode":0,"echo":false,"script":null)
  ]
 hero_0_boost=[ Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"button_mask":0,"position":Vector2( 0, 0 ),"global_position":Vector2( 0, 0 ),"factor":1.0,"button_index":1,"pressed":false,"doubleclick":false,"script":null)
  ]
diff --git a/scripts/hero_select.gd b/scripts/hero_select.gd
index a3d6cc7..3b998d3 100644
--- a/scripts/hero_select.gd
+++ b/scripts/hero_select.gd
@@ -10,11 +10,11 @@ const hero_names = [
 ]
 
 const hero_text = [
-	"DILIGENCE.\n\nWallride by jumping on walls.\n\nYour speed builds immensely as your Switch Charge increases.",
+	"DILIGENCE.\n\nWallride by jumping on walls.\n\nHold left click to go faster (but spend switch charge).",
 	"WRATH.\n\nPress E and click (or just click) to build a wall.\n\nRight click to destroy one.",
 	"LUST.\n\nYou attract nearby heroes.\n\nPress E to switch to repelling them.",
 	"GENEROSITY.\n\nMake contact with a friend to boost their speed.\n\nPress E to separate.",
-	"PATIENCE.\n\nHold left mouse button on an enemy to slow them down.",
+	"PATIENCE.\n\nHold left mouse button on an enemy to slow them down.\n\nPress E to delete someone else's building (costs charge).",
 	"PRIDE.\n\nClick to build portal. Click again to build its partner.\n\nYou can build multiple portal sets.",
 ]
 
diff --git a/scripts/heroes/4.gd b/scripts/heroes/4.gd
index 478f4ed..77899f7 100644
--- a/scripts/heroes/4.gd
+++ b/scripts/heroes/4.gd
@@ -28,6 +28,13 @@ func _process(delta):
 			get_node("TPCamera").cam_view_sensitivity *= sens_factor
 			get_node("TPCamera").cam_smooth_movement = true
 
+		if Input.is_action_just_pressed("primary_ability"):
+			var look_ray = get_node("TPCamera/Camera/Ray")
+			var looking_at = look_ray.get_collider()
+			if looking_at.has_method("destroy"):
+				if switch_charge > looking_at.destroy_cost:
+					switch_charge -= looking_at.destroy()
+
 		if stun:
 			var players = get_node("/root/Level/Players").get_children()
 			var player = pick_from(players)
diff --git a/scripts/placeable.gd b/scripts/placeable.gd
index 97e350a..a842de4 100644
--- a/scripts/placeable.gd
+++ b/scripts/placeable.gd
@@ -2,6 +2,7 @@ extends StaticBody
 
 var maker_node
 var material
+var destroy_cost = 20
 
 func _ready():
 	get_node("CollisionShape").disabled = true
@@ -21,6 +22,10 @@ func place():
 	get_node("CollisionShape").disabled = false
 	material.flags_transparent = false
 
+func destroy():
+	queue_free()
+	return destroy_cost
+
 func make_last():
 	material.flags_transparent = true
 	material.albedo_color.a = 0.9