Illithid

also known as Mind Flayer

Abilities: Str 12, Dex 14, Con 12, Int 19, Wis 17, Cha 17
AC: 15 (+2 Dex, +3 natural)
Advancement: By character class
Attacks: 4 tentacles +8 melee
CR: 8
Damage: Tentacle 1d4+1
HD: 8d8+8 (44)
Initiative: +6 (+2 Dex, +4 Improved Initiative)
Organization: Solitary, pair, inquisition (3-5), or cult (3-5 plus 6-10 grimlocks)
Qualities: SR 25, telepathy
Reach: 5 ft. by 5 ft./5 ft.
Saves: Fort +3, Ref +4, Will +9
Size: Medium
Skills: Bluff +8, Concentration +12, Hide +8, Intimidate +10,Knowledge (any two) +9, Listen +10, Move Silently +7, Spot +10
Speed: 30 ft.
Terrain: Any underground
Treasure: Double standard
Type: Aberration