But it wasn't Luck. Not really. The manic grin was there, but the eyes were cold, glowing with an ancient, vengeful power. The Elf spirit Rufel had taken over, and the lightning crackling around him was no longer the playful spark of a teammate. It was lethal.
Rufel laughed, a sound like tearing metal. "This body is just a vessel. Your 'friend' is gone, human. There is only the light of the Elves now." Black Clover (TV) Episode 105
"Luck! Stop this!" Asta roared, his voice cracking. "We’re the Black Bulls! You’re one of us!" But it wasn't Luck
"We have to hit him with everything," Magna wheezed, wiping blood from his chin. "Not to kill him... but to wake him up." The Elf spirit Rufel had taken over, and
Magna and Vanessa were already there, bruised and exhausted. Magna’s fireballs were being swatted away like flies. Vanessa’s thread magic was fraying under the sheer intensity of the Elf's mana. They were losing him.
The sound of their battle was a deafening rhythm of thunder and steel. Every time Asta’s anti-magic sword touched Rufel’s lightning, the sparks hissed and died, but the Elf was too fast. Rufel was mocking them, dancing through their attacks with a grace Luck never had.