Flash - ⚞Advent⚟: Red & Cost 3 or more (Either Attack Step)
By sending your Soul Core to the Trash, stack this from your hand onto your target spirit.
[LV1][LV2][LV3] When a (When this Spirit/Brave is Summoned) or (When this Nexus is Deployed) effect activates on either side, the player must send 4 cores from his/her life to void in order to activate the effect.
[During Advent][LV1][LV2][LV3] This Spirit cannot be destroyed by opposing effects, and cannot have its cores removed by opposing effects.