Maurid Advanced Chimera* (CR 15)

Huge Magical Beast (Maurid)
Alignment: Always chaotic evil
Initiative: +4; Senses: darkvision 60 ft., low-light vision, scent, and Spot +14

AC: 20 (-2 size, +12 natural), touch 8, flat-footed 20
Hit Dice: 27d10+135 (405 hp)
Fort +20, Ref +15, Will +11
Speed: 30 ft., fly 50 ft. (poor)
Space: 5 ft./10 ft.
Base Attack +27; Grapple +43
Attack: Bite +33 melee
Full Attack: Bite +33 melee and bite +33 melee and gore +33 melee and 2 claws +31 melee
Damage: Bite 2d8+8, bite 2d6+8, gore 1d8+8, claws 1d6+4
Special Attacks/Actions: Breath weapon
Abilities: Str 27, Dex 11, Con 21, Int 4, Wis 13, Cha 10
Special Qualities: immune to mind-affecting attacks, maurid traits
Feats: Ability Focus (breath weapon); Alertness; Cleave; Great Cleave; Hover; Improved Initiative; Improved Natural Attack (bite); Iron Will; Multiattack; Power Attack
Skills: Hide +1(+5 in scrubland or brush); Listen +14 and Spot +14
Advancement: -
Climate/Terrain: Maure Castle dungeons and environs
Organization: Solitary, pride (3-5), or flight (6-13)
Treasure/Possessions: Standard

Source: Dungeon #112

Breath Weapon (Su): This maurid chimera's breath weapon is usable once every 1d4 rounds, deals 3d8 points of fire damage in a 20-foot cone, and allows a DC 28 Reflex save for half damage. The save DC is Constitution-based.