Multiattack. The dragon makes three attacks: one with its bite and two with its claws.

Bite. Melee Weapon Attack: +7 to hit, reach 10 ft., one target. Hit: 9 1d10+4 piercing damage.

Claw. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 7 1d6+4 slashing damage.

Breath Weapons (Recharge 5–6);

 The creature uses one of the following breath weapons.

Acid Breath. The dragon exhales acid in an 30-foot line that is 5 feet wide. Each creature in that line must make a DC 14 Dexterity saving throw, taking 18 4d8 acid damage on a failed save, or half as much damage on a successful one.

Sickening Breath. The dragon exhales a 30-foot cone of sickening necrotic energy. Each creature in that range must make a DC 14 Constitution saving throw, becoming poisoned for 1 minute on a failed save. The creature can repeat the saving throw at the end of each of its turns.