Conqueror of Evil: Guardian Yaksha

Combat Action: When your active character is Xiao, equip this card.\nAfter Xiao equips this card, immediately use Bane of All Evil once.\nWhile your Xiao has Yaksha's Mask attached, your use of Lemniscatic Wind Cycling will cost 1 less Anemo Die. (Every attachment of Yaksha's Mask allows the effect to be triggered twice)\n(You must have Xiao in your deck to add this card to your deck.)