Gajusian (Sonic) Crawler (CR 6)

Huge Vermin
Alignment: Always neutral
Initiative: +2 (Dex); Senses: darkvision 60 ft. and Spot +4


AC: 18 (-2 size, +2 Dex, +8 natural), touch 10, flat-footed 16
Hit Dice: 10d8+20 (65 hp)
Fort +9, Ref +5, Will +3
Speed: 30 ft., climb 20 ft.
Space: 15 ft./15 ft.
Base Attack +7; Grapple +23
Attack: Bite +13 melee (2d6+8 plus poison) or slam +13 melee (1d6+8)
Full Attack: Bite +13 melee (2d6+8 plus poison) or slam +13 melee (1d6+8)
Special Attacks/Actions: Poison, psionics, web
Abilities: Str 26, Dex 15, Con 14, Int -, Wis 11, Cha 2
Special Qualities: sonic hum, sonic resistance 10, vermin traits
Feats: Power Attack (B); Improved Bull Rush (B)
Skills: Climb +16, Hide +2*, Move Silently +6*, and Spot +4
Advancement: 11-23 HD (Huge)
Climate/Terrain: Temperate and warm land and underground
Organization: Solitary or colony (2-5)
Treasure: 1/10th coins; 50% goods; 50% items

Source: Web

This massive black spider possesses iridescent blue eyes and a forest of living crystals coating the outer surfaces of its back and legs. The crystals range from ebon to clear in color and vary in size from pea- sized to up to a foot long and 6 inches in diameter. The body and legs spread across a 20-foot diameter, and it stands 9 feet tall when on all eight legs.

The gajusian or sonic crawler is a predatory spider that uses sounds and ambush to drive prey into its web traps.

A sonic crawler is a massive black spider with iridescent blue eyes and a forest of living crystals coating the outer surfaces of its back and legs. The crystals range from ebon to clear in color and vary in size from pea-sized to up to a foot long and 6 inches in diameter. The body and legs spread across a 20-foot diameter, and it stands 9 feet tall when on all eight legs. Juvenile crawlers have few crystals, if any, and are usually indistinguishable from web-spinning spiders.

The sonic crawler prefers to lair in caves or dense wooded areas so that it can create a maze of webs.

The crystals found on the sonic crawler are prized by psions for their inherent properties. The crystal is immune to shatter effects, and if it is used in the creation of armor, it provides sonic resistance 5. A normal sonic crawler has enough crystal on it to produce one medium suit of armor.