Dragon, Chromium, Mature Adult (CR 17)

Huge Dragon (Cold)
Alignment: Always Lawful Evil
Initiative: +0; Senses: blindsense 60 ft., darkvision120 ft., low-light vision, and keen senses

AC: 28 (-2 size, +20 natural), touch 8, flat-footed 28
Hit Dice: 22d12+88 (231 hp); DR: 10/magic
Fort +19, Ref +14, Will +18
Speed: 40 ft., fly 100 ft. (poor), swim 60 ft.
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 2d6+10, 2 claws 1d8+5, 2 wings 1d6, 1 tail slap 1d8, 1 crush -
Special Attacks/Actions: Breath weapon 12d8 (27)
Abilities: Str 31, Dex 10, Con 21, Int 18, Wis 19, Cha 18
Special Qualities: Immunity to cold, vulnerability to fire, Pass without trace, Ice shape CL 9th, SR 23, Fear aura (DC 26)
Feats: #Feats: 8
Class Skills: Appraise, Bluff, Skill points: 102, and and Jump
Advancement: 23-24 HD (Huge)
Climate/Terrain: Any cold mountain or underground
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: Triple Standard

Source: Dragon #356

Breath Weapon (Su): A chromium dragon has two types of breath weapon, a line of solid ice (cold) and a cone of freezing crystals. Creatures within a cone of freezing crystals take 1 point of Dexterity damage per age category of the dragon (Fortitude half).

Spell-Like Abilities: 3/day - pass without trace (ice and snow only); 2/day - ice shape (as stone shape, but applies to ice instead of stone).

Skills: Appraise, Bluff, and Jump are considered class skills for chromium dragons.

Cold Subtype

A creature with the cold subtype has immunity to cold. It has vulnerability to fire, which means it takes half again as much (+50%) damage as normal from fire, regardless of whether a saving throw is allowed, or if the save is a success or failure.