Union: The Dragon God and King of Taimanins

Taimanins, protectors of humanity, slayers of demons and orcs, now finally at peace thanks to their new savior: Nathan Date. Former student of Union who has no powers, quirk or sacred gear now became a force to be reckon with as he now has the power of a Dragon God: Bahamut ruler of the dragons. Now, there mission now is to slay villains and other threats. How will Union heroes include Nathan's former friends stop this? (Disclaimer: I don't own anything they belong to their rightful owners)