Nullshade.

Krael Virex, Codename: Nullshade, is an interdimensional knight forged from sentient carbon in the void between collapsing realities. Once human, now something far beyond, he traverses shattered timelines and dying worlds, not to save them—but to sever their decay before it spreads. Neither hero nor villain, Krael enforces his own brutal code: balance without mercy, order without allegiance. Feared as a myth, hunted by multiversal councils, and obeyed by no one, he is the last judgment where morality dies—and shadow begins.