Thousands of abilities, copy abilities.
Sharingan? Copy!
Devil fruit ability? Copy!
Catching ghosts and subduing demons? Copy!
Seventy-two changes? Copy!
One Punch Man's KO? Copy!
There are no abilities that I can't copy, only abilities that I don't want to copy.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.