Armor Class 18 (natural armor)
Hit Points 178 (17d10 + 85)
Speed 40 ft., fly 80 ft., swim 40 ft.
Saving Throws DEX +6, CON +9, WIS +5, CHA +9
Skills Insight +5, Perception +9, Persuasion +9, Stealth +6
Damage Immunities fire
Senses blindsight 30 ft., darkvision 120 ft., passive Perception 19
Languages Common, Draconic
Challenge 10
Amphibious. The dragon can breathe air and water.
Multiattack. The dragon makes three attacks: one with its bite and two with its claws.
Bite. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 17 (2d10 + 6) piercing damage.
Claw. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 13 (2d6 + 6) slashing damage.
Breath Weapons (Recharge 5–6). The dragon uses one of the following breath weapons.
Monster Manual (2014), p. 115