( application )
Basic combat skill: Ren's shown to be skilled with a gun and dagger.

Third Eye: He can see hidden or otherwise suspicious objects with an extra sense.Strengths: brave, compassionate, cunning, reliable, strong morals 
Weaknesses: rebellious, stubborn, reckless, brash, secretive

God/Shinki: Shinki
Why?: Ren can be hot headed once he assumes battle position. He's always controlling other demons or gods in his own canon. It may be interesting to see him in a different scenario where his abilities are being used instead. 
Cause Of Death: alternate scenario in canon where he gets caught by the police and dies during interrogation. 
Vessel: an ornate pistol 
Name Location: located at the back of his neck 
Power: Shoots magical bullets. If the attack is successful then the target will temporarily slow down. Its accuracy and strength relies on the power of trust.  
Writing Sample 

Sample:  https://takamagahara.dreamwidth.org/72914.html?thread=8737490#cmt8737490 

Other

Anything Else?:  noopeee