esdeath gif

That said, Viktor was bringing the power as well. He extended his arms, and his hands caught fire, with his flesh blackening and hardening, soon resembling cracked volcanic rock. “With these hands, I slaughtered our foolish master and the rest of those whelps. Now, when I close them around your throat, I wonder which will kill you first, the heat or the strangulation?”“I’ll sever those hands and lay them upon their graves, so they know they’ve been avenged!”

idk if you've played chaos;head (or watched it, I never saw it so idk if it's in the anime) but it's set in the same world as steins;gate (which I've watched but never played) and things the eyes see but the brain doesn't process are a literal plot point, you could almost certainly make a fairly lore accurate manip with that if you like this world.

Slowly, and with no shortage of effort, he began to pry off his clone, separating centimeter by centimeter. Sitting on the floor, he resembled an animal shedding its skin. Eventually, he and his clone split like dividing cells, but the seal was trying to pull them back together. Moving his clone forward felt like trying to swim upriver, and it was taking everything he had not to be pushed back, let alone advance further. However, he felt himself closing in on something, a sensation, or perhaps it could be called a state of mind. Whatever it was, it seemed to help him project his mana. If he could make this state of awareness easier to access, then his magic would surely grow much more powerful.