Potion of Mind Reading
Potion, rare · 2024 rules, SRD 5.2
When you drink this potion, you gain the effect of the Detect Thoughts spell (save DC 13) for 10 minutes (no Concentration required).This potion's dense, purple liquid has an ovoidcloud of pink floating in it.
Also in the 2014 rules (SRD 5.1).