Staff Of Power

While holding this staff, you can use an action to
cast one of the following spells from it, using
your spell save DC and spell attack bonus:
7 Charges: 5th Level Cone of Cold
6 Charges: 5th Level Fireball / Lightning Bolt
5 Charges: Wall of Force / Hold Monster
4 Charges: True Seeing
2 Charges: Levitate
1 Charge: Magic Missile