This staff can be wielded as a magic Quarterstaff that grants a +3 bonus to attack rolls and damage rolls made with it.
The staff has 10 charges. When you hit with a melee attack using it, you can expend up to 3 charges. For each charge you expend, the target takes an extra 1d6 Force damage.
Regaining Charges. The staff regains 1d6 + 4 expended charges daily at dawn. If you expend the last charge, roll 1d20. On a 1, the staff becomes a nonmagical Quarterstaff.
RollQuest summary +3 Quarterstaff. On a melee hit, expend up to 3 charges: extra 1d6 Force damage per charge. 10 charges; regains 1d6 + 4 at dawn.
RollQuest ships the D&D 2024 SRD as a content pack, on a 5e character sheet that does the maths - roll from the sheet and let the numbers work themselves out. Free to start.