Dragon, Copper Young (CR 6)

Medium Dragon (Earth)
Alignment: Always Chaotic Good
Initiative: +0; Senses: blindsense 60 ft., darkvision120 ft., low-light vision, and keen senses
Languages: Draconic

AC: 20 (+10 natural), touch 10, flat-footed 20
Hit Dice: 11d12+22 (93 hp)
Fort +9, Ref +7, Will +9
Speed: 40 ft., fly 150 ft. (poor)
Space: 5 ft. by 5 ft./5 ft.
Base Attack +11; Grapple +13
Attack: 1 Bite +13, 2 claws +8, 2 wings +8 melee; Breath +13 ranged
Damage: 1 bite 1d8+2, 2 claws 1d6+1, 2 wings 1d4+1, Breath weapon 6d4 (17)
Special Attacks/Actions: Breath Weapon
Abilities: Str 15, Dex 10, Con 15, Int 14, Wis 15, Cha 14
Special Qualities: Acid immunity, spider climb, CL 1, *Can also cast cleric spells and those from the Chaos, Earth, and Trickery domains as arcane spells.
Feats: #Feats: 4
Skills: Skill points: 28
Advancement: 12-13 HD (Medium-size)
Climate/Terrain: Temperate and warm desert, hill, mountains, and underground
Organization: Solitary or clutch (2-5)
Treasure/Possessions: Double Standard

Source: Monster Manual

Breath Weapon (Su): A copper dragon has two types of breath weapon, a line of acid (6d4 damage Reflex save for half damage DC 17) or a cone of slow gas. Creatures within the must succeed at a Fortitude save (DC 17) or be slowed for 1d6 rounds plus 3 rounds. Using a breath weapon is a standard action. Once a dragon breathes, it can't breathe again until 1d4 rounds later. A blast from a breath weapon always starts at the dragon's mouth and extends in a direction of the dragon's choice.

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.