Child of Satan. It is sleeping in blood pond of Dark Holy See.
His height three meters, the head is growing a pair of red corner/horn, on is burning completely the black flame. The whole body skin is not scarlet red, but is the black. His, is flinging long tail, pats on the ground, lays out several fissures the ground. That tail terminal, is burning the black flame.
He is the child of Satan, one of the hell emperor's clans. Before his emperor's clan pressure, must act servilely including high-level Devil, let alone a small humanity.