Lorveck the Vorr
Lorveck the Vorr: Male vorr; CR 4; Medium outsider (chaotic, evil, extraplanar); HD 3d8+6; hp 19; Init +5; Spd 40 ft.; AC 18, touch 15, flat-footed 13; Base Atk +3; Grp +6; Atk +6 melee (2d4+3, bite); Full Atk +6 melee (2d4+3, bite) and +1 melee (1d3+1, 2 claws); SA sneak attack +2d6, trip; SQ darkvision 60 ft., outsider traits, scent, shadow form, shadow jump; AL CE; SV Fort +5, Ref +8, Will +4; Str 17, Dex 21, Con 14, Int 10, Wis 12, Cha 17.
Skills and Feats: Balance +8, Hide +11, Listen +9, Move Silently +11, Search +6, Spot +9, Survival +7, Swim +6; Alertness, Blind-Fight.
Sneak Attack (Ex): Anytime Lorveck's target is denied a Dexterity bonus to AC, or when he flanks a target, Lorveck deals an additional 2d6 points of damage on a successful melee attack.
Trip (Ex): If Lorveck hits with a bite attack, he can attempt to trip the opponent as a free action without making a touch attack or provoking an attack of opportunity. If the attempt fails, the opponent cannot react to trip Lorveck.
Outsider Traits: Lorveck cannot be raised, reincarnated, or resurrected (though a limited wish, wish, miracle, or true resurrection spell can restore life). Darkvision 60 ft.
Scent (Ex): Lorveck can detect approaching enemies, sniff out hidden foes, and track by sense of smell.
Shadow Form (Su): Once per day, Lorveck can assume the form of a living shadow for up to 10 minutes. While in shadow form, Lorveck can move at normal speed on any surface, including walls and ceilings, and even across liquids. It can be detected by effects that detect thoughts, life, or presences (including true seeing); otherwise Lorveck gains a +15 circumstance bonus on Hide checks. While in shadow form, Lorveck gains damage reduction 50/good and iron and is immune to blindness, critical hits, damage to ability scores from nonmagical attacks, deafness, disease, drowning, poison, and stunning. He takes half damage from fire and acid.
Shadow Jump (Su): Lorveck can jump from shadowy area to shadowy area as if by dimension door. He can cover 60 feet per day, and that amount can be split among multiple jumps. Jumps shorter than 10 feet count as 10 feet.