Weapon (Longsword), Legendary (Requires Attunement)

Bound into this weapon is a spell of level 6. The spell is determined when the weapon is created and must belong to the Conjuration, Divination, Evocation, Necromancy, or Transmutation school of magic. The weapon has 6 charges and regains 1d6 expended charges daily at dawn. While holding the weapon, you can expend 1 charge to cast its spell.

The spell’s saving throw DC is 17 and its attack bonus is +9.