Flash - Advent: Cost 3 or more (Either Attack Step)
By sending your Soul Core(Soul Core) to the Trash, stack this from your hand onto your target spirit.
[LV1][LV2][LV3] When your Advented Spirits with cards beneath them are destroyed by the opponent, by discarding one pre-Advent card beneath that Spirit, it remains on the field in the same position.
[LV2][LV3] (When Attacks) This Spirits gets +4000 BP.