Bestiary‎ > ‎(Bestiary) By Type‎ > ‎Dragons‎ > ‎Sea Serpents‎ > ‎

Sea Serpent, Brine

This serpentine creature is about 20 feet long, nose to tail, with two sets of large flippers and a wide body. A finned crest runs the length of its back, head to tail. The body is dark blue with a lighter underbelly, often tinged with rust or green highlights.

Brine Sea Serpent CR 14

XP 38,400
CE Huge dragon (aquatic)
Init +6; Senses darkvision 60 ft., low-light vision, scent; Perception +26


AC 27, touch 11, flat-footed 24 (+2 Dex, +1 dodge, +16 natural, -2 size)
hp 184 (16d12+64 plus 16)
Fort +14, Ref +14, Will +11
Immune paralysis and sleep, dragon traits


Speed swim 40 ft.
Melee bite +19 (2d6+7 plus poison and grab)
Space 15 ft.; Reach 10 ft.
Special Attacks breath weapon (50-ft. cone, DC 24, 10d8 acid), constrict (2d6+7), poison


Str 21, Dex 15, Con 18, Int 7, Wis 13, Cha 14
Base Atk +16; CMB +23 (+27 grapple); CMD 36 (can't be tripped)
Feats Ability Focus (breath weapon), Combat Reflexes, Dodge, Improved Initiative, Lightning Reflexes, Mobility, Skill Focus (Perception), Swim-By AttackB, Toughness
Skills Bluff +21, Diplomacy +9, Intimidate +11, Perception +26, Stealth +13, Swim +22
Languages Aquan, Draconic


Breath Weapon (Ex)

Once per hour, a brine sea serpent can release a blast of acid and salt water in a 50-foot cone. Creatures in the area take 10d8 points of acid damage. A successful DC 24 Reflex save reduces the damage by half. The save DC is Constitution-based, and includes a +2 bonus from the Ability Focus feat.

Poison (Ex)

Bite--injury; save Fort DC 22; frequency 1/round for 6 rounds; effect 1d6 Str; cure 2 consecutive saves. The save DC is Constitution-based.