Daemites

"The natives call them "Daemites". This is fascinating. First they squeeze their soft bodies into the mouth. They secrete enzymes from their skin to eat the brain. The tail is inserted, rather forcefully, into the spinal column, tapping directly into the host's nervous system. They control the host body like a puppet, seeking extremes like pleasure and pain. Mostly the easier sensation wins out; pain. They also reproduce asexually in the chest cavity. Quite remarkable, really."

- The Butcheress explaining about Daemites to Rayne.

Daemites are monsters of unknown origin from 2002 action game, BloodRayne. Their temple was desturbed by the team of nazi soldiers digging into the ground in search of Beliar's eye relique.

Description
Daemites come in two main forms: regular Daemites and guardians. Guardians have no ability to speak or capture bodies, but they are notably larger than humans and possesses immense strength, being able to smash through solid concrete walls and are extremely resistant to firearms, such as rocket launchers. They are also slower than regular Daemites. As name suggests, they serve as a protection of the swarm and Daemite's temple.

Regular Daemites resemble long snake-like creatures with heads which look almost human in appearance, although misisng lips and distinct eyes. They attack their victims by whipping them to death with their pointed talis. They also levitate slightly over the ground. However their most peculiar feature is the ability to invade bodies of other living creatures, such as humans. As seen in the game, they force their way into the mouth