Roux Mush are mushroom-like monsters the size of a person's head that come in a variety of colors and found in the fields around Melromarc. There are white, green, and blue Mush that unlock the Mush Shield series that enable "Plant Identification I", "Apprentice's Compounding", and "Simple Compounding Recipes I" respectively. Found in 『Chapter 11』 of the web novel. In the LN, they are called Loomushes and stand as tall as a person. Found in chapter 11 of the LN.