Episode Title:
Magic of Hope.
Episode Description:
In a flashback 400 years earlier, Acnologia lives as an unnamed human doctor in a secluded village that is protected by another dragon named Acnologia, who leaves to investigate rumors of Dragon Slayer magic. Upon his return, the mutilated guardian leads several other dragons in a massacre against the village's humans, which the human Acnologia survives. In the present, the Dragon Slayers' attacks have no effect on Acnologia's spirit due to his immunity to magic...
