Fairy Tail Series 2 Episode 57: Voice of the Flame
Episode 57 of 102 of Fairy Tail Series 2, aired May 8, 2015, 25 minutes. Available with English subtitles and dub where released.
Episode summary
As Natsu battles the formidable winged cyclops monster, Gray enacts his plan to melt the mountain of ice encasing the Eternal Flame... but does he end up extinguishing that along with it? Plus: the identity of the familiar voice that called out to Natsu, bringing him to the frozen Eternal Flame!