Nightmare monster

Corrupted apparition?

Ostiarius: Doorwarden of the Church of the Metamorphosis The Ostiarii guard the entrances to the various Church of the Metamorphosis structures. From broodchambers to meditation naves, they can be found standing silently beside the doors. They are extremely lethal, but rarely encountered as they guard only the most impregnable sites. https://www.patreon.com/mikefranchina

ArtStation - Mynah

—translator use—[Nightmare—Prejudice] The Nightmare is not a demon, but "Prejudice" seems to perfectly fulfill the standards of the devil. Its enthusiasm for fighting is like the flame entangled in the body, but it is not so frightening. The combative nightmare does not Not uncommonly, the real danger is the flame that seems to be manipulated by it, but in fact this force is difficult to control by itself. This flame is so violent, a trace of spark can easily spread into an alarming fire…

This is one of the gnarliest worm creature designs that I think I've ever seen. It comes from artist Dave Rapoza , and I love the craziness of it. The artist says he "wanted to channel some Super Metroid for it." I think he nailed it.