Arcanum

This viscous blue and white stimulant provides a temporary boost to one’s mental processes. Although Arcanum is technically non-addictive, continuous consumption produces diminishing results and can considerably jeopardize the imbiber’s health.

 Drinking one dose of this potion gives a +10 bonus to all Intelligence checks for 1 hour. Each additional dose ingested, before taking a long rest, has a cumulative 5% chance of incurring 1 level of exhaustion, and likewise loses 1d10 x 3 minutes to its duration.

Notes: Bonus: Intelligence Ability Checks, Exhaustion