Dawnbringer

Lost for ages in the Underdark, Dawnbringer appears to be a gilded longsword hilt. While grasping the hilt, you can use a bonus action to make a blade of pure radiance spring from the hilt, or cause the blade to disappear. Dawnbringer has all the properties of a sun blade.
When holding Dawnbringer, you can use an action to touch a creature with the blade and cast lesser restoration. Once used, this ability can’t be used again until the next dawn.