Unidentified Sentinel Variant (Halo: Hunters in the Dark)

This Unknown Sentinel Variation is a Forerunner machine that so far has only been seen on Installation 00 or The Ark. Only one was seen on an expedition to The Ark

Function
The current function for this variant of Sentinel is unknown and it is unknown if it even has shielding. It has the ability to strangle a target or cut in to a target, one kill by one being Henry Lamb by cutting holes in to his throat.