C891 Prison King

With a resounding crash, the pitch-black rift churned with thick fog that quickly solidified into two forms. Two towering, monstrous figures emerged, their bodies draped with expansive bone wings etched in black and gold.

*Boom!*

The emergence of the three Black Fog Mutant Beasts unleashed a torrent of dark brilliance into the sky, eclipsing the sun's warmth