Well, I entered a strange building that appeared out of nowhere. Had to defeat some ghostly twins first.

Blunt Poltergeists - type of poltergeist that specialises in use of usually not-so-dangerous items such as books, bags or pillows. Can also use furnitures in fight though. Would usually try to scare intruders away if hostile.

Sharp Poltergeists - quite dangerous type of poltergeist that specialises in use of sharp objects, usually literal melee weapons.

Ranged Poltergeist - type of poltergeist that uses specific objects that works with various distances. Thrown items, devices, you name it.

Stationary complex poltergeist - type of poltergeist that controls entire specific areas. Can sometimes move from area to area. Can be treated as a spectral counterpart of structure’s infestation.

Mobile complex poltergeist - type of poltergeist that possess artificial, usually inanimate humanoid being which is of course a mannequin, armor and usually inactive robot.