Viper Swarm (lesser)
Medium natural beast (reptile, swarm)
Level 4 Skirmisher XP 350

Initiative +8        Senses Perception +2
Swarm Attack aura 1; each enemy that starts its turn within the aura takes 3 poison damage.
HP 56; Bloodied 28
AC 18; Fortitude 16, Reflex 17, Will 13
Speed 5, climb 5

(⚔) Swarm of Fangs (standard, at-will) ✦ Poison

+11 vs AC; 1d6+3 damage, and the swarm makes a secondary attack against the target. Secondary Attack: +9 vs. Fortitude; the target takes ongoing 5 poison damage (save ends).

⚔ Swarm of Fangs (standard, recharge ⚃⚄⚅)

The viper swarm makes a swarm of fangs attack and shifts its speed.

Serpentine Movement

The viper swarm ignores difficult terrain.

Alignment Unaligned        Languages -
Str 14 (+4)      Dex 18 (+6)      Wis 10 (+2)
Con 16 (+5)      Int 2 (-2)      Cha 6 (0)

Published in Fortress of the Yuan-ti.