The dragon can cast , requiring no spell components and using Intelligence as the spellcasting ability.
Legendary Resistance (3/Day)
If the dragon fails a saving throw, it can choose to succeed instead.
Actions
Multiattack
The dragon makes one Bite attack and two Claw attacks.
Bite
Melee Weapon Attack+9 to hit, reach 10 ft., one target. 15 () πΉ Piercing damage plus 3 () π Necrotic damage.
Claw
Melee Weapon Attack+9 to hit, reach 5 ft., one target. 8 () π‘οΈ Slashing damage.
Desiccating Breath Recharge 5
The dragon exhales yellowish necrotic energy in a 60-foot cone. Each creature in that area must make a DC 17 Constitution saving throw. On a failed save, the creature takes 35 () π Necrotic damage and is weakened until the end of its next turn. A weakened creature has disadvantage on Strength-based ability checks and Strength saving throws, and the creature's weapon attacks that rely on Strength deal half damage. On a successful save, the creature takes half as much damage and isn't weakened.
Bonus Actions
Change Shape
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.
Psychic Step
The dragon magically teleports to an unoccupied space it can see within 60 feet of it.
Legendary Actions
Claw
The dragon makes one Claw attack.
Psionics (Costs 2 Actions)
The dragon uses Psychic Step or Spellcasting.
Essential Reduction (Costs 3 Actions)
The dragon targets a creature or an object not being worn or carried that it can see within 60 feet of it. The target must succeed on a DC 17 Constitution saving throw or take 28 () π Necrotic damage. If this damage reduces the target to 0 hit points, it crumbles to dust.