Spider Staff

Adamantine Quarterstaff - requires attunement.
Deals 1d6 extra poison damage on a hit.
10 Charges: if on your spell list, you can spend
charges as an action to cast Spider Climb (1 charge)
or Web (2 charges, spell save DC 15).
Staff regains 1d6 + 4 charges at dusk. If last
charge is expended, roll a d20; on a 1 the staff
crumbles to dust and is destroyed.