Number of dice 1 2 3 4 5 6 7 8 9 10 Dice Type d4 d6 d8 d10 d12 d20 d100 +
Expertise +1d4 +1d6 +1d8 +1d10 +1d12 Advantage

---

Rolling 1d20

4

4

(lower than the average roll of 10.5; the maximum roll was 20)

---