Because this is an arc, this specific story does not appear in the original manga .
: Mirajane Strauss enters a fierce confrontation with Mary Hughes . To win, Mirajane utilizes a powerful, serious form— Satan Soul: Sitri —which is noted by viewers as one of her most formidable transformations . Fairy Tail Episode 138
of Fairy Tail , titled "The Course of the Holy War" ( Seisen no Yukue ), is the 11th episode of the Key of the Starry Sky arc , an anime-exclusive filler storyline . Episode Summary Because this is an arc, this specific story