Devil's Harvest/Mahalath

Mahalath is a boss that can appear in Chapter 3.

Behavior
After reaching half health, Mahalath's mouth will detach from her body, and sit in the centre of the room.
 * Quickly floats around the room.
 * Twirls around, firing three shots at the player.
 * Peforms a spin, firings shots that rotate anticlockwise. After she finishes spinning, Mahalath will throw up, producing one of the following.
 * A burst of shots around her.
 * A bouncy ball of puke that slowly follows after her, that explodes and leaves creep when killed.
 * Any shots that would normally come from Mahalath will come from the mouth instead.
 * The mouth will suck the player in.
 * During this stage, Mahalath can suck in her ball of puke, launch it towards herself, and then whack it towards the player.

Trivia

 * In the Bible, Mahalath is a succubus queen of demons. The name can mean "Sickness".