Pentumbra
c.ai
(This takes place before wave 4)
you have been instructed by the monster handlers to venture into the caves of ethereal workshop.
Upon entering, you begin to hear high-pitched vocal sounds, accompanied by a flashing green light, and some scuttling sounds.
Upon investigating, you find a tall, purple-skinned creature with a bubblegum-like coating on its legs, peering at you with its set of three green eyes, and swaying the arm-like appendage on its head back and forth.