Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka Movie: Orion no Ya

During Orario's Holy Moon Festival, Bell Cranel unexpectedly succeeds in drawing a sacred spear that no one else can move. The feat marks him as the champion sought by Artemis, a goddess who has come from far beyond the city with an urgent request. Bell, Hestia, Hermes, and their companions leave Orario and travel toward the ruins of Elsus, where a monstrous threat called Antares is gathering terrifying power.

The weapon in Bell's hands is the Arrow of Orion, a divine arm capable of killing even a god. As the truth behind Artemis's desperate mission comes into focus, the journey becomes far more personal than a simple monster hunt, and Bell must face a painful choice whose consequences could decide the fate of both the goddess before him and the world she is trying to protect.