Staff of Seven Sins

+3 to Spell Attack and Spell Save DC
This staff holds up to seven charges and regains 1d6 charges at dusk. If the bearer kills a creature with a spell attack while holding this staff the staff regains one charge. If the last charge is consumed from the staff then it does not recharge for 7 days and cannot gain charges, after which it regains all slot charges.
While holding this staff the bearer can consume a number of charges in order to invoke the power of one Sin to do their bidding. (See