Dragon, Sand Ancient 2014
CR 23 dragon
Gargantuan dragon, neutral evil
STR27 (+8)
DEX12 (+1)
CON29 (+9)
INT16 (+3)
WIS20 (+5)
CHA18 (+4)
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 25 Con).
Legendary Actions
Detect.
Makes a Wis (Perception) check.
Tail Attack.
Makes a tail attack.
Wing Attack (Costs 2 Actions).
All within 15 feet: 15 (2d6+8) bludgeoning damage and knocked prone (DC 24 Wis negates). Can then fly up to half its fly speed.
Source: Tome of Beasts 3 (Kobold Press) · License: OPEN GAME LICENSE Version 1.0a details