Multiattack

The dragon attacks with its bite and twice with its claws. In place of its bite it can use Spit Frost.

Bite

Melee Weapon Attack: +17 to hit, reach 15 ft., one target. Hit: 32 (4d10 + 10) piercing damage plus 9 (2d8) cold damage.

Claws

Melee Weapon Attack: +17 to hit, reach 10 ft., one target. Hit: 23 (3d8 + 10) slashing damage.

Tail

Melee Weapon Attack: +17 to hit, reach 20 ft., one target. Hit: 23 (3d8 + 10) bludgeoning damage and the dragon pushes the target 10 feet away.

Rapier (Humanoid Form Only)

Melee Weapon Attack: +17 to hit, reach 5 ft., one target. Hit: 14 (1d8 + 10) piercing damage.

Spit Frost

The dragon targets a creature within 60 feet forcing it to make a DC 24 Constitution saving throw. The target takes 22 (4d10) cold damage on a failure or half damage on a success. On a failure the creatures Speed is also halved until the end of its next turn. Flying creatures immediately fall unless they are magically kept aloft.

Breath Weapons (Recharge 5-6)

The dragon uses one of the following breath weapons:

Frost Breath

The dragon exhales freezing wind in a 90-foot cone. Each creature in the area makes a DC 24 Constitution saving throw taking 90 (20d8) cold damage on a failed save or half damage on a success. On a failure the creature is also slowed until the end of its next turn.

Paralyzing Breath

The dragon exhales paralytic gas in a 90-foot cone. Each creature in the area must succeed on a DC 24 Constitution saving throw or be paralyzed until the end of its next turn.

Change Shape

The dragon magically takes the shape of a humanoid or beast or changes back into its true form. It reverts to its true form if it dies. Any equipment it is wearing or carrying is absorbed or borne by the new form (dragons choice). In the new form the dragons stats are unchanged except for its size. It can't use Spit Frost Breath Weapons Tail Attack or Wing Attack except in dragon form. In beast form it can attack only with its bite and claws if appropriate to its form. If the beast form is Large or smaller the reach of these attacks is reduced to 5 feet. In humanoid form it can attack only with its rapier.