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Intellect Devourer

Devoid of a head, or any features at all save for four short, clawed legs, this creature's body looks like a large, glistening brain.
Intellect Devourer
CR 8
XP 4,800
CE Small aberration
Init +10; Senses blindsight 60 ft., detect magic; Perception +19
AC 22, touch 17, flat-footed 16 (+6 Dex, +5 natural, +1 size)
hp 84 (8d8+48)
Fort +7, Ref +8, Will +8
DR 10/adamantine and magic; Immune fire, mind-affecting effects; Resist cold 20, electricity 20, sonic 20; SR 23
Weaknesses vulnerability to protection from evil
Speed 40 ft.
Melee 4 claws +13 (1d4+1)
Special Attacks body thief, sneak attack +3d6
Spell-Lilke Abilities (CL 8th)
Constant—detect magic
At will—confusion (DC 17, single target only), daze monster (DC 15, no HD limit), inflict serious wounds (DC 16), invisibility, reduce size (as reduce person but self only)
3/day—cure moderate wounds, globe of invulnerability
Str 12, Dex 23, Con 21, Int 16, Wis 10, Cha 17
Base Atk +6; CMB +6; CMD 22 (26 vs. trip)
Feats Improved Initiative, Iron Will, Toughness, Weapon Finesse
Skills Bluff +19, Disguise +11, Knowledge (local) +14, Perception +19, Sense Motive +8, Stealth +29, Use Magic Device +11; Racial Modifiers +8 Bluff, +8 Perception, +8 Stealth
Languages Undercommon (cannot speak); telepathy 100 ft.

Body Thief (Su)

As a full-round action that provokes an attack of opportunity, an intellect devourer can reduce its size, crawl into the mouth of a helpless or dead creature, and burrow into the victim's skull to devour its brain. This is a coup de grace attempt that inflicts 8d4+3d6+8 points of damage. If the victim is slain (or already dead), the intellect devourer usurps control of the body and may use it as its own, as if it controlled the target via a dominate monster spell. The intellect devourer has full access to all of the host's defensive and offensive abilities save for spellcasting and spell-like abilities (although the intellect devourer can still use its own spell-like abilities). A host body may not have been dead for longer than 1 day for this ability to function, and even successfully inhabited bodies decay to uselessness in 7 days (unless this time is extended via gentle repose). As long as the intellect devourer occupies the body, it knows (and can speak) the languages known by the victim and basic information about the victim's identity and personality, yet has none of the victim's specific memories or knowledge. Damage done to a host body does not harm the intellect devourer, and if the host body is slain, the intellect devourer emerges and is dazed for 1 round. Raise dead cannot restore a victim of body theft, but resurrection or more powerful magic can.

Vulnerable to Protection from Evil (Ex)

An intellect devourer is treated as a summoned creature for the purpose of determining how it is affected by a protection from evil spell.