Monkey_Godking
author you forgot that the fairy tail characters grew in strength, at the beginning of the series she was far from her peak, and the term S class magician is highly esteemed in fairy tail, a porder of the level of destroying a mountain, it is already comparable to best holy wizards. Let's not forget that the magical council only had an egemony because it possessed the etherion, which at most destroyed a small island by firing.
he had all powers from juvia when she was first introduced in the series (she was a mid s-rank wizard then and his is probably higher level in her magic as it is master level), additionally had haki and ice magic and still was weaker then the one pice guys and now that he is as strong as them he is still low s-rank in fairytale terms?