Arcanist Staff of Improved Casting

Staff functions as a +1 quarterstaff.
The staff can be used anytime a spell is cast to cast or upcast a spell that the caster has prepared by using one charge per spell level. This includes bonus actions or reactions.
The Staff currently has 1 charge remaining, if the last charge is used the user must roll 1d20, on a roll of 20 the staff is destroyed and crumbles to dust.

Notes: The staff can be used anytime a spell is cast to cast or upcast a spell that the caster has prepared by using one charge per spell level. This includes bonus actions or reactions. The Staff currently has 1 charge remaining, if the last charge is used the user must roll 1d20, on a roll of 20 the staff is destroyed and crumbles to dust.