Huge dragon, chaotic neutral
- Armor Class
- 16 (natural armor)
- Hit Points
- 172 (15d12 + 75)
- Speed
- fly 80 ft., 40 ft., climb 40 ft., burrow 40 ft.
- Challenge
- 12 (8,400 XP)
- Saving Throws
- Cha +8, Con +9, Dex +5, Wis +6
- Skills
- Stealth +9, Survival +6, Perception +10
- Damage Resistances
- cold; radiant
- Senses
- blindsight 60 ft., darkvision 120 ft., passive Perception 20
- Languages
- Common, Draconic, telepathy 120 ft.
Traits
If the dragon fails a saving throw, it can choose to succeed instead.
Actions
The dragon makes one Bite attack and two Claw attacks.
Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 16 (2d10 + 5) piercing damage plus 4 (1d8) radiant damage.
Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 9 (1d8 + 5) slashing damage.
The dragon exhales a burst of brilliant radiance in a 60-foot cone. Each creature in that area must make a DC 17 Constitution saving throw, taking 40 (9d8) radiant damage on a failed save, or half as much damage on a successful one. The dragon then gains 15 temporary hit points by absorbing a portion of the radiant energy.
Bonus Actions
The dragon magically transforms into any creature that is Medium or Small, while retaining its game statistics (other than its size). This transformation ends if the dragon is reduced to 0 hit points or uses a bonus action to end it.
The dragon magically teleports to an unoccupied space it can see within 60 feet of it.
Legendary Actions
The dragon makes one Claw attack.
The dragon uses Psychic Step or Spellcasting.
The dragon releases a searing beam of starlight at a creature that it can see within 60 feet of it. The target must succeed on a DC 17 Dexterity saving throw or take 31 (9d6) radiant damage.
Spellcasting
The dragon casts one of the following spells, requiring no spell components and using Intelligence as the spellcasting ability (spell save DC 16):