Dragon, Sand Old (CR 16)

Huge 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: 33 (-2 size, +25 natural), touch 8, flat-footed 33
Hit Dice: 27d12+120 (276 hp); DR: 10/magic
Fort +29, Ref +16, Will +21
Speed: 30 ft., burrow 20 ft., fly 120 ft. (poor)
Space: 20 ft./10 ft.
Base Attack +24; Grapple +42
Attack: 1 bite +32, 2 claws +27, 2 wings +27, 1 tail slap +27, 1 crush +27
Damage: 1 bite 2d8+10, 2 claws 2d6+5, 2 wings 1d8, 1 tail slap 2d6, 1 crush 2d8
Special Attacks/Actions: Breath weapon 14d4 (DC 27)
Abilities: Str 30, Dex 11, Con 21, Int 16, Wis 21, Cha 18
Special Qualities: Immunity to fire, Haboob, Dispel water, Wall of sand, Frightful Presence DC26, SR 23
Feats: #Feats: 10
Skills: Skill points: 87
Advancement: 25-26 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

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.