n small elemental fire 

Perception +3; darkvision, smoke vision

Languages Ignan

Skills Acrobatics +7, Deception +7

Str +0 Dex +4 Con +0 Int -2 Wis +0 Cha +2

Smoke Vision The fire mephit ignores the concealed condition from smoke.

AC  17; Fort +3, Ref +9, Will +7

HP 16, fast healing 2 (while touching fire); Immunities bleed, fire, poison, paralyzed, sleep

Speed 20 feet, fly 25 feet

Melee [>] jaws +9 (finesse), Damage 1d6 piercing and 1d4 fire

Arcane Innate Spells DC 15; Cantrips (1st) daze, light

Breath Weapon [>>] (arcane, fire) The fire mephit breathes flames in a 15-foot cone that deals 2d4 fire and 1d4 persistent fire damage to each creature within the area (DC 17 basic Reflex save). The fire mephit can't use Breath Weapon again for 1d4 rounds.

Bestiary, page 151. Expanded in LOIL.