Many locations in Marloth fall into one of two opposing extremes: wilderness and sanctuaries.
Wilderness provides the horror, while sanctuaries provide the coziness.
The ingredients for Marloth cozy horror is:
A key aspect of cozy horror is security.
This is touched on in Cozy horror sanctuaries, but worth highlighting here as well.
While most cases involving both cozy and horror fall under this category, this idea is mostly concerned about the interplay of coziness and horror, where they compliment each other.
There can be cases where a scene involves both coziness and horror, yet is not cozy horror.