Tartaros Chapter - A Place Reached by Prayer Fairy Tail : Season 6 Episode 14

As Natsu and Lisanna plot their escape from the cell, Tartaros gains control of the magic weapon of mass destruction, Face. Levy tracks down the dark guild's location and it's closer than anyone expected, but before they can mount a rescue to save Natsu and the others, a mind-controlled Elfman activates a lacrima bomb at the guild!