Vuuthramis

AC: 18

Initiative: +0 (10)

HP: 142 (15d10 + 60)

Speed: 40 ft., fly 80 ft., swim 40 ft.

Saving Throws: Dex +3, Con +7, Wis +4, Cha +6

Skills: Insight +4, Perception +7, Stealth +3

Immunities: lightning

Senses: blindsight 30 ft., darkvision 120 ft., Passive Perception 17

Languages: Common, Draconic

CR: 8 (XP 3,900; PB +3)

Habitat: Coastal

Amphibious.

Vuuthramis can breathe air and water.

Actions

Multiattack.

Vuuthramis makes three attacks: one with its bite and two with its claws.

Bite.

Melee Weapon Attack: +8 to hit, reach 10 ft., one target. Hit: 16 (2d10 + 5) piercing damage.

Claw.

Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) slashing damage.

Breath Weapons (Recharge 5-6).

Vuuthramis uses one of the following breath weapons.

Lightning Breath. Vuuthramis exhales lightning in a 60-foot line that is 5 feet wide. Each creature in that line must make a DC 15 Dexterity saving throw, taking 55 (10d10) lightning damage on a failed save, or half as much damage on a successful one.
Repulsion Breath. Vuuthramis exhales repulsion energy in a 30-foot cone. Each creature in that area must succeed on a DC 15 Strength saving throw. On a failed save, the creature is pushed 40 feet away from the dragon.