> **Weight:** 2 lbs > **Value:** 25 gp > > **Ability:** Wisdom > **Utilize:** Plot a course (DC 10), or determine position by stargazing (DC 15) # Tool If you have proficiency with a tool, add your [[Proficiency Bonus Table|Proficiency Bonus]] to any ability check you make that uses the tool. If you have proficiency in a skill that's used with that check, you have [[Advantage]] on the check too.