Dragon, Sand Wyrm (CR 24)

Gargantuan Dragon (Earth)
Alignment: Always chaotic neutral
Initiative: +0; Senses: blindsense 60 ft., darkvision120 ft., low-light vision, keen senses, and tremorsense 60 ft.
Languages: Draconic

AC: 40 (-4 size, +34 natural), touch 6, flat-footed 40
Hit Dice: 36d12+231 (445 hp); DR: 20/magic
Fort +45, Ref +24, Will +31
Speed: 30 ft., burrow 20 ft., fly 150 ft. (clumsy)
Space: 40 ft./15 ft.
Base Attack +33; Grapple +58
Attack: 1 bite +42, 2 claws +37, 2 wings +37, 1 tail slap +37, 1 crush +37, 1 tail sweep +37
Damage: 1 bite 4d6+13, 2 claws 2d8+6, 2 wings 2d6, 1 tail slap 2d8, 1 crush 4d6, 1 tail sweep 2d6
Special Attacks/Actions: Breath weapon 20d4 (DC 33)
Abilities: Str 36, Dex 11, Con 25, Int 20, Wis 24, Cha 20
Special Qualities: Immunity to fire, Haboob, Dispel water, Wall of sand, Choking sands, Frightful Presence DC31, SR 27
Feats: #Feats: 13
Skills: Skill points: 186
Advancement: 35-36 HD
Climate/Terrain: Warm Deserts
Organization: Solitary (1 dragon, any age), clutch (1d4+1 wyrmlings, very young, young, juvenile, or young adults), family (pair of mature adults and 1d4+1 offspring)
Treasure/Possessions: Double Standard

Source: Sandstorm

Breath Weapon (Su): A sand dragon has one type of breath weapon, a cone of grit similar to a flaywind.

Spell-Like Abilities: At will - haboob; 3/day - dispel water, wall of sand; 1/day - choking sands.

Skills: Concentration, Hide, Intimidate, Listen, Move Silently, Sense Motive, Spot, and Survival are considered class skills for sand dragons.

Earth Subtype

This subtype usually is used for elementals and outsiders with a connection to the Elemental Plane of Earth. Earth creatures usually have burrow speeds, and most earth creatures can burrow through solid rock.