Caligni Skulker

Creature 2

Small
caligni
humanoid

Perception: +8 light blindness; greater darkvision
Languages: Caligni
Skills: Acrobatics +8, Athletics +4, Stealth +10, Thievery +8; Str +0, Dex +4, Con +3, Int −1, Wis +2, Cha +1
Items: dagger, darkening poison (3)

Greater Darkvision

AC: 19; Fort +9, Ref +10, Will +6
HP: 30, final night

Final Night (darkness, occult) When the caligni skulker dies, their remains dissolve into a 20-foot emanation of inky darkness before dissipating. The darkness extinguishes non-magical light sources and attempts to counteract magical light as a 1st-rank effect with a +10 counteract modifier.

The skulker's possessions are left in a pile where they died.

Light Blindness

Speed: 25 feet

Melee ◆ dagger +10 (agile, finesse, versatile s), Damage 1d4+4 piercing plus Darkening Poison

Ranged ◆ dagger +10 (agile, thrown 10 feet, versatile s), Damage 1d4 piercing plus Darkening Poison

Sneak Attack The caligni skulker deals 1d6 extra precision damage to Off-Guard creatures.

Tumble Behind When the caligni skulker Tumbles Through a creature's space, that creature is Off-Guard against the next attack the skulker makes against it before the end of its turn.

Source: Pathfinder Monster Core

Running this fight? Add the caligni skulker to the initiative tracker: type its name and the AC, hit points and Perception for initiative fill in, and the book button shows this stat block mid-fight.