well after his death due to some luck he fuse with death note book whose shinigami later died due some reason.
after fusion his soul had free from cycle of rebirth so he stayed in Naruto verse for many year watching his wife and strengthening his soul.
(after making body in DxD verse)
he possed super human strength like a
1) normal God
2) shinigami eyes (blood red color)
which have power to see name any body and life
remaining.
3)kill any body just by thinking him dead with reason.( soul destroyed)
4)exert soul pressure as he govern death.
some way he like Hades in DxD but with power of killing God till mid tier.
5) control choas ( secret power till trixha arrival)
6) unkillable (immortal) with instant regeneration.