Multiattack

The dragon attacks once with its bite and twice with its claws.

Bite

Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 19 (3d10 + 3) piercing damage.

Claws

Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 12 (2d8 + 3) slashing damage.

Torrential Breath (Recharge 5-6)

The dragon exhales water in a 30-foot-long 5-foot-wide line. Each creature in the area makes a DC 14 Dexterity saving throw taking 42 (12d6) bludgeoning damage on a failed save or half damage on a success.