Actions

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.
Cold Breath .
The dragon exhales an icy blast in a 30-foot cone.
Each creature in that area must make a DC 17 Constitution saving throw, taking 54
(12d8) cold damage on a failed save, or half as much damage on a successful one.
Paralyzing Breath .
The dragon exhales paralyzing gas in a 30-foot cone.
Each creature in that area must succeed on a DC 17 Constitution saving throw or be paralyzed for 1 minute.
A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.