Caustic Creeper (CR 4)

Medium Magical Beast
Alignment: Always Lawful Evil
Initiative: +3 (+3 Dex)
Languages: understands Draconic


AC: 18 (+3 Dex, +5 natural), touch 13, flat-footed 15
Hit Dice: 6d10 (33 hp)
Fort +7, Ref +8, Will +3
Speed: 50 ft.
Space: 5 ft./5 ft.
Base Attack +6; Grapple +8
Attack: bite +8
Damage: Bite 1d8+3
Special Attacks/Actions: Acidic Wounds
Abilities: Str 14, Dex 16, Con 14, Int 6, Wis 12, Cha 10
Special Qualities: Immunity to acid, fear, sleep, paralysis. Trackless
Feats: Improved Natural Attack (bite), Power Attack, Track
Skills: Hide +7, Move Silently +6, and Survival +3
Advancement: 7-12 HD (Medium); 13-18 HD (Large)
Climate/Terrain: Temperate or tropical forests.
Organization: Solitary or with master (Green dragon)
Treasure: None

Source: Dragon #357