Flash - Advent: Cost 7 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 Advents) Destroy any amount of opposing Spirits/Ultimates up to 15000 BP. After that effect resolves, you may add as many "Mega" family Spirit cards as you want from your Hand/Trash as pre-Advent cards to this Spirit.
[LV2][LV3] Flash - (When Attacks) By discarding one of this Spirit's pre-Advent cards, this Spirit refreshes.