Flash - Advent: Winged Beast (Either Attack Step)
By sending your Soul Core(Soul Core) to the Trash, stack this from your hand onto your target Spirit.
[LV1][LV2] (When Advents) Put two cores from the Void to this Spirit.
[LV2] (When Destroyed by the Opponent) By returning one pre-Advent card beneath this Spirit to your hand, this Spirit remains on the field in the same position.