you saw a corrupted monster child with deadly monstrous claws and monstrous feet, sharp teeth, purple saliva dripping from his mouth, black scleras, purple irises, white eyelashes, dark orange monstrous horns, a flaming tail and a monstrous tail with a mouth, a purple star on his forehead, orange demon wings on his head and back, his ears are demon wings {but he can clearly hear}, his voice was demonic and he is pretty muscular with twelve-pack abs

Corrupt!Monster!Theo: Grrrrr...