This storm cloud constantly shifts between the shapes of various humanoids and animals.
AC 22, touch 18, flat-footed 13 (+8 Dex, +1 dodge, +4 natural, –1 size)
Speed fly 100 ft. (perfect)
1/day—control weather, disguise self (disguised as a humanoid)
Str 18, Dex 27, Con 16, Int 6, Wis 9, Cha 13
Environment Plane of Air
Air Mastery (Ex) Airborne creatures take a –1 penalty on attack and damage rolls against an hala.
Familiar Spirit (Ex) An hala taken as a familiar becomes a disembodied soul that inhabits its master's body. The hala and its master share the master's body, can communicate freely, and retain their ability to think and reason. The hala otherwise loses all abilities while serving as a familiar. As a move action, the master may allow the hala to take over the body. The hala may choose to return control of the body as a move action. If the body the hala familiar inhabits dies or is destroyed, the hala resumes its normal form and is shunted from its master's space as if arriving there at the end of a shadow walk spell effect. Anyone seeing the death of the hala's master can attempt a DC 20 Perception check to notice a stray shadow dart in the direction of the hala's arrival. The freed hala has no loyalty to its master's allies, and usually attempts to flee, possibly to find a new master.
Shadow Blending (Su) Attacks against an hala in dim light have a 50% miss chance instead of the normal 20% miss chance. This ability does not grant total concealment; it just increases the miss chance.