Potion of Perception

When potions of perception are drunk, they raise the changes temporary of performing action succesfully of bards, rangers and thiefs. It is sold at Sorcerous Sundry and other stores and it may be found in containers across the Sword Coast.

In-game description
"This potion heightens the sensory perception of the drinker, which allows delicate tasks to be performed better. The effect is to make certain thieving skills more likely to succeed."