Elroe Gastruch

Elroe Gastruch (also known as Snailbug) is a small black insect, but its movements resemble those of a snail. They crawl slowly on the wall and most monsters only eat them as last resort. They can be found in the lower layers of the Great Elroe Labyrinth.

Description
Also known as snail-bug. This insect moves slowly like a snail. Countless of it inhabits in the Great Elroe Labyrinth lower stratum. It's very weak, an easy to defeat. However, if a person were to receive its attack carelessly or eat it, then that person will receive a powerful corrosion('Rot' in LN) attributed damage. Therefore, the monsters in the lower layer will never try to eat this monster unless it's a critical situation. Danger level of F.