Behemoth, Gorilla

Even larger and more powerful than dire animals, behemoth gorillas are intelligent and magically fortified. They stand 25 feet tall and weigh close to 10 tons

Source(s) Epic Level Handbook

Combat

Rend (Ex) A behemoth gorilla that hits with both claw attacks latches onto the opponent’s body and tears the flesh. This automatically deals an additional 8d8+20 points
of damage.

Behemoth Gorilla
	Huge outsider (Extraplanar)
Hit Dice	21d8+252 (366 hp)
Initiative	+12 (+8 Dexterity, +4 Improved Initiative)
Speed	60 ft., Climb 30 ft.
AC	38 (+8 Dexterity, -2 size, +22 natural)
Base Attack/Grapple	+21/+39
Attack	Claw +29 (4d8+10) melee
Full Attack	2 claws +29 (4d8+10) melee, bite +24 (3d10+5) melee
Space/Reach	20 ft./20 ft.
Special Attacks	Rend 8d8+20
Special Qualities	Scent, SR 30
Saves	Fort +24, Ref +20, Will +16
Abilities	Strength 31, Dexterity 26, Constitution 35 Intelligence 6, Wisdom 15, Charisma 12
Skills	Balance +32, Climb+42, Intimidate +25, Jump +34, Move Silently +32, Spot +26
Feats	Dodge, Endurance, Improved Initiative, Iron Will, Mobility, Power Attack, Spring Attack
Epic Feats	Epic Toughness
Climate/Terrain	Warm forest and warm mountains
Organization	Solitary or company (5-8)
Challenge Rating	19
Treasure	None
Alignment	Always neutral
Advancement	22-42 HD (Huge)