Armor Class 20 (natural armor)
Hit Points 270 (20d12+140)
Speed 40 ft., burrow 30 ft., fly 80 ft.
Saving Throws Dex +7, Con +1, Wis +1, Cha +9
Skills Perception +4
Damage Immunities fire
Condition Immunities blinded
Senses blindsight 60', darkvision 120', passive Perception 26
Languages Common, Draconic, Terran
Challenge 18 (20,000 XP)
Legendary Resistance (3/Day). Choose to succeed failed save.
Sand Camouflage. Advantage: Dex (Stealth) to hide in sandy terrain.
Sandy Nature. Is infused with elemental power and it requires only half the air food and drink that a typical dragon if its size needs.
Stinging Sand. 1st time it hits target with melee weapon attack target: disadvantage attacks/ability checks til its next turn ends (DC 21 Con).
Multiattack. One Bite attack and two Claw attacks.
Bite. Melee Weapon Attack: +13 to hit, 10 ft., one target, 18 (2d10+7) piercing damage.
Claw. Melee Weapon Attack: +13 to hit, 5 ft., one target, 14 (2d6+7) slashing damage.
Tail. Melee Weapon Attack: +13 to hit, 15 ft., one target, 16 (2d8+7) slashing damage.
Frightful Presence. All it picks within 120' and aware of it frightened 1 min (DC 17 Wis negates) Can re-save at end of each of its turns. Save/effect ends: immune 24 hrs.
Breath Weapon (Recharge 5-6). Uses one of the following:Sand Blast. Exhales superheated sand in a 60' cone. Each creature in area: 27 (5d10) piercing damage and 27 (5d10) fire (DC 21 Dex half). If a creature fails its save by 5+ it suffers one level of exhaustion as it dehydrates.Blinding Sand. Breathes fine sand in a 60' cone. Each creature in area: blinded for 1 min (DC 21 Con negates). Blinded creature can take an action to clear its eyes of sand ending effect for it.
Detect. Makes a Wis (Perception) check.
Tail Attack. Makes a tail attack.
Wing Attack (2). All within 15 feet: 14 (2d6+7) bludgeoning damage and knocked prone (DC 21 Wis negates). Can then fly up to half its fly speed.