Prismatic Steel Atgeir
Weapon (atgeir), very rare (requires attunement) This weapon is made of prismatic steel infused with the power of the Bifrost. When you hit a creature that is outside of its home plane with a melee attack using this weapon, they are banished to their home plane for 1 round. If you score a Critical Hit with this weapon against a creature that is outside its home plane, the creature is banished to…