uncommon n small falaekroustis humanoid shadow 

Perception +9; darkvision

Languages Common, Shadowtongue

Skills Acrobatics +7, Deception +4, Occultism +6, Performance +6, Shadow Plane Lore +6, Stealth +7, Thievery +7

Str +0 Dex +4 Con +1 Int +3 Wis +0 Cha +1

Items kukri (2), leather armor

AC  16; Fort +6, Ref +9, Will +5

HP 19

Speed 25 feet

Melee [>] kukri +8 (agile, finesse, trip), Damage 1d6 slashing

Shadowplay [>] (illusion, occult, shadow) Requirements The falaekroustis's last action was a melee Strike that damaged their opponent; Effect The falaekroustis attempts to Tumble Through the opponent's space, with a +2 circumstance bonus to the Acrobatics check. If they succeed, the falaekroustis leaves a shadowy afterimage in their original space, and the opponent is flat-footed against the next melee attack the falaekroustis attempts against it before the end of their current turn.

Sneak Attack The falaekroustis deals an extra 1d6 precision damage to flat-footed creatures.

Bestiary 3, page 290.