You can pay one cost to summon this card in your Hand when your Life is reduced by the opponent. When you've done so, if your Life was reduced by an effect, put one core from the Void to your Life.
[LV1][LV2][LV3] (When Summoned) During this turn, an opposing Spirit/Ultimate gets -5000 BP. Destroy a Spirit/Ultimate whose BP is brought to 0 by this effect.
[LV3] (When Attacks) When your field has a Yellow symbol other than this Spirit's, once per turn, refresh this Spirit.