D20:Xixecal Epic Creature

Rend (Ex): If the xixecal hits with both claw attacks, it latches onto the opponent?s body and tears the flesh. This attack automatically deals an additional 4d8+42 points of damage.
Cold (Su): A hit from a xixecal?s melee attack induces numbing cold. The opponent must succeed at a fortitude save (DC 58) or be affected as though by a slow spell for 10 rounds. The DC is Charisma-based.
Spell-Like At will?blasphemy, cone of cold, desecrate, greater dispell magic, dominate monster, hold person, greater invisibility, unholy aura, wall of ice; 5/day?haste, meteor swarm. Caster level 36th; save DC 22 + spell level. The DC is Charisma-based.
Breath Weapon (Su): Cone of cold, 300 feet, 3/day, damage 12d6, fort= half DC 61. The DC is Consitution-based.
Summon White Dragon (Sp): Five times per day a xixecal can summon an old white dragon.
Constitution Drain (Su): This effect permanently reduces a living opponent?s Consitution score by 4 when the creature hits with a slam, bite, or rend, or twice that amount on a rend or critical hit. The creature heals 20 points of damage (or 40 on a rend or critical hit) whenever it drains Consitution, gaining any excess as temporary hit points. These temporary hit points last a maximum of 1 hour. The attack allows a fortitude save (DC 58). The DC is Charisma-based.
Abomination Traits: Immune to polymorphing, petrification, and other form-altering attacks; not subject to Energy Drain, ability drain, ability damage, or death from massive damage; immune to mind-affecting effects; nondetection; true seeing at will; blindsight 500 ft.; telepathy out to 1,000 ft.
The standard fire resistance 20 most abominations have is not shared by xixecales
Dire Winter (Su): A xixecal always stands at the center of a permanent dire winter (epic spell) spell effect. If dispelled, the effect returns 1 minute later? the only way to permanently remove the effect is to slay the xixecal that generates it.
Regeneration(Ex): Xixecals take normal damage from Lawful weapons, and double damage from burning or fiery weapons.

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System Reference Document -> Epic Creatures (SRD)