Adds conical spells from TG (#27979)

* Adds conical spells from TG

* Remove testing stuff

* Errant whitespace

* Fix levels

code/modules/mob/dead/observer/observer_spells.dm

@@ -0,0 +1,48 @@
+GLOBAL_LIST_INIT(boo_phrases, list(
+	"You feel a chill run down your spine.",
+	"You think you see a figure in your peripheral vision.",
+	"What was that?",
+	"The hairs stand up on the back of your neck.",
+	"You are filled with a great sadness.",
+	"Something doesn't feel right...",
+	"You feel a presence in the room.",
+	"It feels like someone's standing behind you.",
+))
+
+/datum/spell/boo
+	name = "Boo!"
+	desc = "Fuck with the living."
+	selection_deactivated_message	= "<span class='notice'>Your presence will not be known. For now.</span>"
+	selection_activated_message		= "<span class='notice'>You prepare to reach across the veil. <b>Left-click to influence a target!</b></span>"
+
+	ghost = TRUE
+
+	action_icon_state = "boo"
+	base_cooldown = 2 MINUTES
+	starts_charged = FALSE
+	clothes_req = FALSE
+	stat_allowed = UNCONSCIOUS
+	invocation = ""
+	invocation_type = "none"
+	// no need to spam admins regarding boo casts
+	create_attack_logs = FALSE
+
+
+/datum/spell/boo/create_new_targeting()
+	var/datum/spell_targeting/click/T = new()
+	T.allowed_type = /atom
+	T.try_auto_target = FALSE
+	return T
+
+/datum/spell/boo/cast(list/targets, mob/user = usr)
+	var/atom/target = targets[1]
+	ASSERT(istype(target))
+
+	if(target.get_spooked())
+		var/area/spook_zone = get_area(target)
+		if(spook_zone.is_haunted)
+			to_chat(usr, "<span class='notice'>The veil is weak in [spook_zone], it took less effort to influence [target].</span>")
+			cooldown_handler.start_recharge(cooldown_handler.recharge_duration / 2)
+		return
+
+	cooldown_handler.start_recharge(cooldown_handler.recharge_duration * 0.1)