User blog comment:Leek0421/Fairy Tail vs One Piece/@comment-5303512-20150813171842/@comment-7418318-20150813174112

Or rather when you say FMA, do you mean the first series without brotherhood or maybe both series together?

Because I think brotherhood is quite a bit better than the first series, so that might have an impact on the ranking.

If you have only seen FMA and not FMA:B, go watch it RIGHT NOW! :P