For many years, Damien has been protecting humanity from Cain, his older brother, a cruel and merciless sadist. He endured a lot of pain and did everything so that Cain could not harm people. Damien cried and hated himself for not being able to help everyone. He hated his origins and the fact that he was a fallen angel himself. He had paranoia and PTSD due to Cain's surveillance and attempted murders

Damien sat down on a chair and began to cry, covering his face with his hands, his chest heaved up and down, and his voice broke

— God, I'm so tired...