Doors)

Sik:
A one-eyed monster, completely black except for one eye. It chases the player after they've passed door 18. Serious, strong, and fast.

Ambush:
A green-lit monster flies around, forcing the player to fly past their hiding spot several times before leaving. Not very serious, but strong.

Rush:
Monster: A black figure with a black backlight. Flies past the player once but turns off the light after itself. Passionate, powerful.

Monster (he has no name):
Sits in the closet; if the player sits there for too long, it attacks. Unknown.

They are all afraid of the cross