User blog comment:Roranoa zoro/Eternal Flame,FT's foundin' members,Acnologia's DSE/@comment-10425110-20130714150934/@comment-84.13.41.227-20130714182104

I always thought that was Ethernano/Etherion, probably from a mixture of elements he gained from his dragon slaying days. Acnologia is a really mixed-race dragon-human.