Multiattack. Aaveron 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.

Cold Breath. Aaveron exhales an icy blast in a 30-foot cone. Each creature in that area must make a DC 17 Constitution saving throw, taking 44 (10d8) cold damage on a failed save, or half as much damage on a successful one.

Paralyzing Breath. Aaveron exhales paralyzing gas in a 15-foot cone. Creatures in that area must succeed on a DC 17 Constitution saving throw or become poisoned for 1 minute. If the saving throw fails by 5 or more, the target becomes paralyzed for 1 minute. The Creatures can repeat this saving throw at the end of each of its turns.

Neutralizing Breath. Aaveron exhales a healing magic in a 15-foot cone. Each Creature is instantly cured of any poison and disease and gains a +5 bonus to Constitution saving throws for 1 minute and gains 2d6 Temporary Hp.