You tense and send the quills projecting from your body into the gaps in your foe's armor.

Encounter ✦     Poison
Minor Action      Ranged 3

Target: One creature

Attack: Constitution + 2 vs. AC
Level 11: Constitution + 4 vs. AC
Level 21: Constitution + 6 vs. AC

Hit: 1d8 + Constitution modifier damage, and the target takes a -2 penalty to attack rolls and ongoing 2 poison damage (save ends both).
Level 11: 2d8 + Constitution modifier damage, and the target takes a -2 penalty to attack rolls and ongoing 5 poison damage (save ends both).
Level 21: 3d8 + Constitution modifier damage, and the target takes a -2 penalty to attack rolls and ongoing 8 poison damage (save ends both).

Duergar Male Names: Brark, Khazar, Thrinzul, Ungkarzor
Duergar Female Names: Drakzi, Murdeza, Shazdri, Zhudraka

Published in Monster Manual 2, page(s) 220.