A splash from a tiny vial coats your weapon with a lethal venom that cripples the target with cramping muscles.

Daily   ✦     Martial, Poison, Reliable, Weapon
Standard Action      Melee or Ranged weapon

Target: One creature

Attack: Primary ability vs. AC

Hit: 2[W] damage, and ongoing 5 poison damage (save ends). The first time the target takes the ongoing poison damage, it takes a -4 penalty to its next saving throw against the ongoing damage. The target is also slowed until the start of its next turn.

Level 15:

  Hit: As above, but 2[W] damage plus 5 poison damage, and ongoing 5 poison damage (save ends).

Level 25:

  Hit: As above, but 2[W] damage plus 10 poison damage, and ongoing 5 poison damage (save ends).

Update (6/28/2011)
Changed to match July update.

Published in Dark Sun Campaign Setting, page(s) 39.