Flash - Advent: Astral Dragon and Cost 4 or above (Either Attack Step) By sending Soul Core to your Trash, this card on your hand can be stacked on your target Spirit.
[LV1][LV2][LV3] (When Advents) Destroy 2 opposing Spirits/Ultimates with 1 symbol.
[During Advent][LV2][LV3] (When Attacks) Destroy 1 opposing Spirit/Ultimate with 2 or more symbols.