You can pay two cost to summon this card from your hand when your "The GrandseaBeastEmperor Great Ocean" attacks.
[LV1][LV2] (When Attacks) Discard 8 cards from the opposing decktop. Or, by reducing this Spirit's symbols to 0, discard up to six cards, but as many as possible, from the opposing decktop.
[LV2] (When Attacks) Destroy three opposing Cost 6 or less Spirits.