Dexterity +5, Constitution +11, Wisdom +6, Charisma +6
Perception +11, Stealth +5
Blindsight 60 ft, Darkvision 120 ft
Common, Draconic
Cold
Traits
Ice Walk
The Adult White Dragon can move across and climb icy surfaces without needing to make an ability check. Additionally, difficult composed of ice or snow doesn't cost it extra movement.
Legendary Resistance
If the Adult White Dragon fails a saving throw, it can choose to succeed instead.
Legendary Actions
Actions
Bite
+11 to hit, range 10 ft. Hit: 17 (2d10 + 6) piercing damage.
Claw
+11 to hit, range 5 ft. Hit: 13 (2d6 + 6) slashing damage.
Multiattack
The Adult White Dragon can use its Frightful Presence. It then makes three attacks: one with its bite and two with its claws.
Cold Breath
The Adult White Dragon exhales an icy blast of hail in a . Each creature in that area must make a saving throw, taking damage on a failed save, or half as much damage on a successful one.
Tail
+11 to hit, range 15 ft. Hit: 15 (2d8 + 6) bludgeoning damage.
Frightful Presence
Each creature of the Adult White Dragon's choice that is within of the dragon and aware of it must succeed on a saving throw or become frightened for . A creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success. If a creature's saving throw is successful or the effect ends for it, the creature is immune to the Adult White Dragon's for the next 24 hours.
Legendary Actions
Detect
The Adult White Dragon makes a Wisdom (Perception) check.
Tail Attack
The Adult White Dragon makes a tail attack.
Wing Attack
The Adult White Dragon beats its wings. Each creature within of the Adult White Dragon must succeed on a saving throw or take damage and be knocked prone. The Adult White Dragon can then fly up to half its flying speed.