Hellmenzer slaughtered the townspeople without hesitation. His disease-resistant body, the thrill of wreaking havoc -- everything was granted to him by Sentsels. No deed was too horrendous when it came to repaying the favor. In fact, he felt not a hint of guilt as he slew his former neighbors. He had completely abandoned his humanity, for he had found a new, loftier existence.
Was Hidden Boss in Infinite Realms Event.