diff --git a/scripts/Perk.gd b/scripts/Perk.gd
index 849db65..169999c 100644
--- a/scripts/Perk.gd
+++ b/scripts/Perk.gd
@@ -6,4 +6,6 @@ class_name Perk
 @export var stats: String = ""
 @export var spell: String = SpellLibrary.NONE
 @export var icon: Texture2D = null
+@export var archetype_slot: String = ""
+@export var requires_mode: String = ""
 var effect: Callable
diff --git a/scripts/perk_effects.gd b/scripts/perk_effects.gd
index f165fb5..fc0318f 100644
--- a/scripts/perk_effects.gd
+++ b/scripts/perk_effects.gd
@@ -6,6 +6,7 @@ var fireball = preload("res://scenes/fireball.tscn")
 var throwing_knife = preload("res://scenes/throwing_knive.tscn")
 var cauldron
 var available_perks: Array[Perk] = []
+var spell_modes: Dictionary = {}
 var fireball_aoe_enabled = false
 var laser_retarget_enabled = false
 var throwing_knife_enabled = false
@@ -39,6 +40,12 @@ func _stat_new(label: String, val: String) -> String:
 func _stat_toggle(label: String) -> String:
 	return "[color=#aaaaaa]" + label + "[/color]\n[color=#888888]OFF[/color] → [color=#77dd77]ON[/color]"
 
+func get_mode(slot: String) -> String:
+	return spell_modes.get(slot, "base")
+
+func set_mode(slot: String, mode: String) -> void:
+	spell_modes[slot] = mode
+
 func _ready() -> void:
 	cauldron = witch.get_node("CauldronBar")