The darkness under the hood made it impossible to perceive his expression but everyone else looking at him right now knew that the dean was enjoying it.
The way he attacked, it was meant to torture more than it was meant to kill and this was exactly what happened with the celestial transformed into a bison. The dean had put the man on the brink of frustration and anger and right after the man thought to have achieved a breakthrough against the dean, he pulled the man's soul out.
Right now, the reddish piece of soul was clenched tightly by the soul claw while the dean threw Death Spheres at the body of the man. The Death Spheres hit the immobile body as it was slowly destroyed bit by bit.
Turning his attention to the soul, the dean saw the soul still trying to escape.