Ancient Sea Dragon

Legacy. These stats use the original (pre-Remaster) Pathfinder Second Edition rules from Pathfinder Bestiary 3 (Second Edition).

The Ancient Sea Dragon is a Level 17 creature, with Armor Class 41 and 350 hit points. The Ancient Sea Dragon is a gargantuan, serpentine protector of the oceans that uses its command over water to crush intruders.

Ancient Sea Dragon, original Pathfinder 2e monster artwork by ZapGM

Stat Block

Abilities & Attacks

Armor Class: 41 (fed by metal) Frightful Presence (aura, emotion, fear, mental). 90 feet, DC 36 Vortex (aura, water). 40 feet. Water in the aura that's also in the same body of water as the dragon is difficult terrain for Swimming creatures which don't have the water trait. Liquefy (reaction) (abjuration, arcane, water). Trigger The dragon is targeted by a Strike or spell that could deal fire or physical damage to them; Effect The dragon liquefies, turning entirely to water while maintaining their shape, for a split second. Against the triggering effect, they gain resistance 25 to fire and to all physical damage. Breath Weapon (2 actions) (arcane, evocation, water). The dragon shoots a ball of water that deals 18d6 bludgeoning damage in a 30-foot burst within 60 feet (DC 38 basic Reflex save). All non-magical fire in the radius is extinguished. The dragon can't use Breath Weapon again for 1d4 rounds. Coiling Frenzy (2 actions). The dragon makes one claw Strike and one tail Strike in either order, each against the same target. If either Strike hits, the dragon automatically Grabs the target. Draconic Momentum. The dragon recharges their Breath Weapon whenever they score a critical hit with a Strike. Greater Constrict (1 action). 3d10+8 bludgeoning, DC 38 Hyponatremia (water). A living creature that takes damage from the sea dragon's jaws Strike must succeed at a DC 38 Fortitude save or become sickened 2 as a surge of excess water floods its body. Tidal Wave (3 actions) (arcane, evocation, manipulate, water). Frequency once every 10 minutes; Requirements The dragon is in a body of water at least as large as they are; Effect The dragon slams their body down, sending a towering wave outward. This wave deals 10d12 bludgeoning damage in a 90-foot emanation. Each creature in the area must attempt a DC 38 Reflex save. Structures and unattended objects in the area take the full amount of damage with no saving throw. Critical Success: The creature takes no damage but is pushed 30 feet from the dragon. Success: The creature takes half damage and is pushed 60 feet from the dragon. Failure: The creature takes full damage, is pushed 120 feet from the dragon, and falls prone. Critical Failure: As failure, but double damage.

Common Questions

How much HP does an Ancient Sea Dragon have?

350 hit points.

What level is an Ancient Sea Dragon?

Level 17.

What is an Ancient Sea Dragon's Armor Class?

AC 41.

How fast can an Ancient Sea Dragon move?

Speed 50 ft., fly 140 ft., swim 70 ft., water walk.

Use Ancient Sea Dragon at your table

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License

Game statistics on this page are Open Game Content, used under the Open Game License v1.0a. The full license and the Section 15 copyright notice are on zapgm.com/legal.

The creature description and artwork are ZapGM Product Identity.

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