Enma Monkey King (3.5e Equipment)
From D&D Wiki
In this magical staff lies trapped, the soul of Enma the Monkey King. He lives trapped inside this staff granting his power to whomever he believes worthy. Its an unbreakable wooden staff about the same size as a quarterstaff. The staff appears weightless in the hands of those deemed worthy. the staff grants the user a +2 bonus to attack rolls and a +2 deflection bonus to AC. Also while the user is holding the staff, the DC for all climb checks is halved.