User blog comment:Yamhi78/Best Fairy Tail Arc and worst arc in your opinion.. xDD/@comment-24784846-20141018205438

Best: Manga:Tartarus Arc; Anime: Tenrou Arc; Both reasons being the fighting. However for Tenrou Arc they had past revelations like from Tower Of Heaven Arc, Galuna Arc, and Fighting Festival Arc. I think Tartarus just had the most development(but I won't name those characters who did)