Fake Priest

The protagonist travels through a different world with two personalities, but his personality is divided into two independent personalities in the different world. There is only a weak sense of empathy. How should he deal with his new identity? Magic and fighting spirit or the help of gods? Who is the master among humans, monsters, demons, and gods? Whose hands are survival and destruction in the end? If you were given a new identity and a new environment, would you still be you? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.