Sage’s Mirror
Wondrous Item, rare
This item has 3 charges and regains all charges at dusk. You can use an action and expend 1 of the mirror’s charges to cast one of the following spells:
With each use, it is apparent that the information gleaned from the mirror comes from a chamber in the Nine Hells where sages and scholars are tortured for the answers to each question.
Source: Chains of Asmodeus p. 269