The pair in the elevator.

Most stories of demon Owen starts with him turning, around the time where he was supposed to kill Apo or even after.

But what would happen if he arrived as a demon, what if they had turned him into a demon before sending him up that elevator?

Would he be closer to Apo and Rasbi then he was in the original series?
Would he still have killed the demons?
How would he react when he regains his memories?