Advanced Blue Slaad, CR 12
Blue Slaad Behemoth
Huge Outsider (Chaotic, Extrapalanar)
Init: +1
Speed: 30ft.
AC: 22 (-2 Size, +1 Dex, +13 Natural Armor), Touch 9, Flatfooted 21
Base Attack/Grapple: 16/39
Attack: 4 Claws +27 (3d6+11) and Bite +25 (4d8+5)
Space/Reach: 15ft/15ft
Special Qualities: Darkvision 60ft., Fast Healing 5, Immunity to Sonic, Resist Acid, Cold, Electricity, and Fire 5.
Saves: Fort 17, Reflex 11, Will 8
Spell-like Abilities (CL 16):
1/Day: Chaos Hammer (DC 14)
At Will: Hold Person (DC 13), Passwall, Telekinesis
Abilities: Str 32, Dex 13, Con 24, Int 6, Wis 6, Cha 10
Feats: Multiattack, Improved Unarmed Strike, Improved Grapple, Quicken Spell-like Ability Hold Person, Improved Natural Attack (Claw), Improved Natural Attack (Bite)