A Shadow Hunter is a roughly Panther-like Outsider. It possesses two spiked tentacles extending from it’s front shoulders. In addition it is capable of sprouting spikes across it’s body. It’s mouth contains a number of sharp spiked tentacles. It also carries a number of Outsider parasites, known as Spiked Lurkers, best identified by their roughly penile appearance, but bearing spikes and strange proturbances.
In 1936, Gerard Filippani encountered two of these in a pocket of the Never-Never, summoned by Mortimer Stroud. gerard managed to fight them off long enough to escape the pocket taking the Mesha Stele with him. They are nearly impervious to bladed weapons.