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.

Chaos Breath. The dragon exhales fire in a 30-foot line 10ft wide. Each creature in that area must make a DC 17 Dexterity saving throw, taking 55 (10d10) fire, cold, thunder, lightning, force, psychic, radiant, necrotic, acid, or poison damage on a failed save, or half as much damage on a successful one. Damage type is determined by the roll of a D10, using the following table. 

1- fire

2- cold

3- thunder

4- lightning

5- force

6- psychic 

7- radiant

8- necrotic

9- acid

10- poison

Confusing Breath. The dragon exhales gas in a 30-foot cone. Each creature in that area must succeed on a DC 17 Wisdom saving throw or come under the effects of the confusion spell.