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The creature before you looks like a furless ape that has been crossed with some sort of reptile. Its skull is far longer than it should be, and it does not appear to have a neck, the skull simply continuing directly into the creatures severely hunched back. The skull is not a solid piece, appearing more like a thick ribcage on top, and you can see the enormous brain that also appears to continue into the creature’s back. Long arms appear to keep it balanced, but as it stands up, you realize that they are only kept on the ground for ease of movement, and it appears more than capable of using them in a fight.

Cerebrilith CR 10

XP 9,600
CE Large outsider (chaotic, demon, evil, extraplanar, psionic)
Init +1; Senses darkvision 60 ft., Perception +24


AC 25, touch 10, flat-footed 24 (+1 Dex, +15 natural, –1 size)
hp 112 (9d10+63)
Fort +13, Ref +4, Will +10
Defensive Abilities DR 10/good; Immune electricity and poison; Resist acid 10, cold 10, fire 10; PR 20


Speed 30 ft.
Melee Bite +14 (1d8+6) and 2 claws +14 (1d6+6)
Space 10 ft.; Reach 10 ft.

Spell-like Abilities (CL9)

At-willdeeper darkness, desecrate, detect good, dispel good (Dc 20), greater teleport (self plus 50 pounds of objects only), magic circle against good, unholy blight (DC 19).

1/daysummon (level 4, 1 cerebrilith, 35%)

Psi-like Abilities (ML 9th)

At-willbrain lock (any non-mindless, DC 17*), detect psionics, ego whip (2d4, DC 19*), id insinuation (four targets, DC 20*), mind trap (5 rounds*)

3/daymind control (24 hours, DC 20*), ectoplasmic form, mind probe (DC 20)

1/daymind thrust (9d10, DC 20*)

*Includes augmentation for the cerebrilith’s manifester level.


Str 22, Dex 13, Con 25, Int 15, Wis 18, Cha 21
BAB +9; CMB +16; CMD 27
Feats Power Attack, Psionic Meditation, Psionic Fist, Unavoidable Strike, Greater Psionic Fist, Wild TalentB
Skills Autohypnosis +16, Knowledge (arcane) +14, Knowledge (the planes) +14, Knowledge (psionics) +14, Perception +24, Sense Motive +16, Spellcraft +14, Stealth +13 Racial Modifiers +8 Perception
Abyssal, Celestial, Draconic; telepathy 100 ft.