Rokka no Yuusha (Dub) Episode 12

When the Majin awakes from the depths of darkness, the deity of fate selects six heroes and bequeaths them with the power to save the world. Adlet, a boy who proclaims himself the strongest man in the world, has been selected among "The Heroes of the Six Flowers". However, as the heroes gather, they soon begin to suspect that someone amongst them is an imposter.