Darkness Energy (121/123) [HeartGold & SoulSilver: Base Set] Shadows in Valhalla including a Level 11 Psychic

including a Level 11 Psychic Synchro Monster that becomes unaffected by the opponent's activated effects and can unleash a devastating attack the further you fall behind in Life Points

except by drawing

Set: Secrets of Eternity Card type: Ritual/Effect Monster Rarity: Secret Rare Attack: 2700 Defense: 2200 You can Ritual Summon this card with "Good & Evil in the Burning Abyss"

you can send 1 monster from your hand to the Graveyard to take control of 1 face-up monster your opponent controls with the same Level as the sent monster

Set: Champion Pack 8 Card type: Normal Trap Rarity: Super Rare Attack: 0 Defense: 0 Declare 1 card name

Darkness Energy (121/123) [HeartGold & SoulSilver: Base Set] Shadows in Valhalla including a Level 11 PsychicSet: HeartGold & SoulSilver: Base Set Type: Energy Rarity: Common