Basic Stats
- Size/Type: Huge Dragon
- Alignment: Chaotic Good
- Armor Class: 20 (natural armor)
- Hit Points: 230 (20d12 + 100)
- Speed: 40 ft., fly 120 ft. (vacuum), hover
Ability Scores
- Strength: 22 (+6)
- Dexterity: 18 (+4)
- Constitution: 21 (+5)
- Intelligence: 17 (+3)
- Wisdom: 16 (+3)
- Charisma: 20 (+5)
Saving Throws
- Dexterity: +9
- Constitution: +10
- Wisdom: +8
- Charisma: +10
Skills
- Arcana: +8
- Perception: +13
Damage Immunities
- Radiant
- Cold (from space)
Senses
- Darkvision 120 ft., Truesight 60 ft., Passive Perception 23
Languages
- Common, Draconic, Celestial
Challenge Rating
- 18 (20,000 XP)
Traits
- Legendary Resistance (3/Day): If the dragon fails a saving throw, it can choose to succeed instead.
- Void Adaptation: The dragon can survive and move normally in the vacuum of space, and it doesn’t require air to breathe.
Actions
- Multiattack: The dragon makes three attacks: one with its bite and two with its claws.
- Bite: Melee Weapon Attack: +11 to hit, reach 10 ft., one target. Hit: 18 (2d10 + 6) piercing damage plus 14 (4d6) radiant damage.
- Claw: Melee Weapon Attack: +11 to hit, reach 5 ft., one target. Hit: 14 (2d6 + 6) slashing damage.
- Tail: Melee Weapon Attack: +11 to hit, reach 15 ft., one target. Hit: 16 (2d8 + 6) bludgeoning damage.
- Radiant Starry Cluster Breath (Recharge 5-6): The dragon exhales a burst of radiant starry energy in a 60-foot cone. Each creature in that area must make a DC 19 Dexterity saving throw, taking 66 (12d10) radiant damage and being blinded for 1 minute on a failed save, or half as much damage and not blinded on a successful one. A blinded creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
- Stellar Burst: The dragon releases a small explosion of radiant energy in a 20-foot radius. Each creature in that area must make a DC 19 Constitution saving throw, taking 28 (8d6) radiant damage on a failed save, or half as much on a successful one.
Legendary Actions
The dragon can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time, and only at the end of another creature’s turn. The dragon regains spent legendary actions at the start of its turn.
- Detect: The dragon makes a Wisdom (Perception) check.
- Tail Attack: The dragon makes a tail attack.
- Wing Attack (Costs 2 Actions): The dragon beats its wings. Each creature within 15 feet of the dragon must succeed on a DC 19 Dexterity saving throw or take 14 (2d6 + 6) bludgeoning damage and be knocked prone. The dragon can then fly up to half its flying speed.
Special Abilities
- Cosmic Navigation: The dragon has advantage on Wisdom (Survival) checks to navigate in space or celestial environments, and its fly speed increases by 20 ft. when moving toward a celestial body.
- Starry Resilience: The dragon has resistance to psychic damage and can’t be charmed while under the light of stars or other radiant sources.