Pseudonatural Ultroloth; CR 30; medium outsider (evil, extraplanar, pseudonatural, yugoloth); HD 18d8+216; hp 360; Init +23; Spd 80ft.; AC 68, touch 33, flatfooted 53; Base Atk +18; Grp +48; Atk +48 melee (2d8+15, tentacle rake); Full Atk: +48/+48/+48/+48/+48/+48 melee (2d8+15, tentacle rake); SA Constant insight, fear aura, improved grab, rotting constriction, spell-like abilities, summon yugoloths, weakness gaze; SQ Alternate form, damage reduction 15/epic and good and silver, darkvision 60 ft., fast healing 4, immunity to acid and poison, resistance to electricity 35, fire 10 and cold 10, spell resistance 90, telepathy 100 ft., true seeing; SV Fort +23 Ref +26 Will +25; AL NE; Str 41 Dex 41 Con 35 Int 28 Wis 38 Cha 28.