unpledge_ghw_war_chest_prestige_effect

unpledge_ghw_war_chest_prestige_effect = { #To be fired within the ghw scope, assuming that the prev scope is the character joining it as an attacker.
	if = {
		limit = { prev = { highest_held_title_tier = 5 } }
		change_war_chest_prestige =  -3000
	}
	if = {
		limit = { prev = { highest_held_title_tier = 4 } }
		change_war_chest_prestige =  -1500
	}
	if = {
		limit = { prev = { highest_held_title_tier = 3 } }
		change_war_chest_prestige =  -1000
	}
	if = {
		limit = { prev = { highest_held_title_tier = 2 } }
		change_war_chest_prestige =  -500
	}
	if = {
		limit = { prev = { highest_held_title_tier = 1 } }
		change_war_chest_prestige =  -250
	}
}

As written in game/common/scripted_effects/00_religious_interaction_effects.txt.