Medallion of Thoughts 2014
Wondrous Item, uncommon, (requires attunement)
The medallion has 3 charges. While wearing it, you can use an action and expend 1 charge to cast the detect thoughts spell (save DC 13) from it. The medallion regains 1d3 expended charges daily at dawn.
Other versions
Source: System Reference Document 5.1 (Wizards of the Coast) · License: Creative Commons Attribution 4.0 / OPEN GAME LICENSE Version 1.0a details