Brine Archdragon (Spellcaster)

Level 20

Creature· aquaticRareGargantuanRemaster

AC 44

HP 460

Speed 40 ft.

Fort +37

Ref +33

Will +35

Perc +36

Size Gargantuan

Rare

aquatic dragon elemental primal water

Immunities paralyzed, sleep, clumsy, controlled

Resistances acid 15, force 15

Spells

Primal Prepared Spells (DC 42, attack +34)

9th Detonate Magic, Implosion, Wrathful Storm; 8th Desiccate, Migration; 7th Eclipse Burst, Energy Aegis, Regenerate; 6th Truesight; 5th Control Water, Corrosive Muck, Mariner's Curse; 4th Hydraulic Torrent, Unfettered Movement; 3rd Aqueous Orb, Crashing Wave, Feet to Fins, Slow; 2nd Acid Grip, Darkness, Water Breathing; 1st Air Bubble, Create Water, Hydraulic Push; Cantrips Caustic Blast, Detect Magic, Guidance, Read Aura, Spout

Languages common, draconic, thalassic

Senses greater-darkvision

Speeds 40 ft., fly 180 ft., swim 180 ft.

Skills athletics +40, diplomacy +40, intimidation +38, acrobatics +34, deception +34, nature +34, society +34, stealth +32

Recall Knowledge arcana or nature DC 45

Attacks

Melee Jaws +38/+33/+28(magical, reach 15 ft., unarmed)

Damage: 4d10+21 piercing

Effect: benthic bite

Melee Claw +38/+34/+30(agile, magical, reach 10 ft., unarmed)

Damage: 4d8+21 slashing

Melee Tail +36/+31/+26(magical, reach 20 ft., unarmed)

Damage: 4d12+21 bludgeoning

Ranged Caustic Spit +36/+31/+26 (range 60 ft.)(acid)

Damage: 4d12+10 acid

Abilities

Aquatic Echolocationinteraction

A brine dragon can use their hearing as a precise sense at the listed range, but only underwater.

+2 Status to All Saves Vs. Primaldefensive

+2 to Sense Motivedefensive

Decompression Sicknessdefensive(aura, primal, water)

20 feet. After the dragon uses their Crushing Breath, the pressure of the depths surrounds them for 1 round. Any creature that leaves the aura during this time must succeed at a DC 39 fortitude save or become dizzy and unbalanced from the sudden change in pressure, treating all squares as difficult terrain until the end of their next turn. Incorporeal creatures are immune to this aura.

Regent's Glower↺defensive(emotion, fear, mental, primal)

Trigger The dragon is critically hit with a melee attack Effect The dragon focuses their weighty gaze upon their assailant, filling their foe with dread. The triggering creature takes 9d6 mental damage with a DC 42 will save. Any creature who fails the save also becomes Frightened 1 (Frightened 2 on a critical failure).

Bathygenic Barrage◆◆offensive(primal)

Frequency once per day Effect The dragon uses Pressurized Pool three times. None of the bursts can overlap.

Benthic Biteoffensive(primal)

A creature who takes damage from a brine dragon's jaws Strike must succeed at a DC 39 fortitude save or be Enfeebled 3 for 1 round.

Crushing Breath◆◆offensive(primal)

The dragon spews a 120-foot line of pressurized water that deals 21d6 bludgeoning damage with a DC 42 reflex save. A creature that fails the save is also Clumsy 1 (Clumsy 2 on a critical failure) for 1 minute. The dragon can't use Crushing Breath again for 1d4 rounds.

Pressurized Pool◆◆offensive(primal)

The dragon expels a 10-foot burst of pressurized water within 120 feet that lasts for 1 minute. A creature other than a brine dragon that enters or begins their turn within a burst must succeed at a DC 42 fortitude save or become Encumbered until the beginning of their next turn.

Tidal Surge◆◆offensive(primal)

The dragon sweeps their wings, creating a 30-foot cone of buffeting water that deals 14d8 bludgeoning damage with a DC 42 fortitude save. Each unattended object and each creature that fails the save is also pushed away from the dragon 20 feet (30 feet on a critical failure) and is knocked Prone. The dragon can't use Tidal Surge again for 1d4 rounds.