Tomb Spider
Large shadow beast (spider)
Level 11 Elite Controller XP 1200

Initiative +9        Senses Perception +12; tremorsense 10
HP 226; Bloodied 113
AC 25; Fortitude 23, Reflex 22, Will 22
Resist 10 necrotic
Saving Throws +2
Speed 6, climb 6 (spider climb)
Action Points 1

(⚔) Bite (standard, at-will) ✦ Necrotic, Poison

+16 vs AC; 1d8+5 damage, and the target is dazed and takes ongoing 10 necrotic and poison damage (save ends both). In addition, the target cannot use second wind until the end of the encounter.

➶ Web Net (minor 1/round, at-will)

Ranged 10; +15 vs Reflex; the target is restrained and gains vulnerable 5 necrotic (save ends both).

✻ Webbed Terrain (standard, recharge ⚄⚅) ✦ Zone

Area burst 3 within 10; +15 vs Reflex; the target is immobilized (save ends). Effect: The burst creates a zone of spider webs that lasts until the end of the encounter. The zone is difficult terrain.

Web Walker

A tomb spider ignores the effects of spider webs and spider swarms.

Alignment Evil        Languages -
Skills Athletics +15, Stealth +13
Str 21 (+10)      Dex 18 (+9)      Wis 15 (+7)
Con 17 (+8)      Int 3 (+1)      Cha 18 (+9)

Published in Monster Manual 2, page(s) 190.