User blog comment:Miskos3/Fairy Tail 526: My Name Is..., Review/@comment-24546844-20170314000358/@comment-24053170-20170315000822

Though it still doesn't explain his dark skinned form, so its possible that not all his magic is based on copying others....

Its likely that he has some magic that is unique to him only (sort of how Universe One is unique to Irene alone), after all according to what Precht said in the flashback his power exists neither in the light or the dark side of magic.

Well only time will tell....