dungeon roomba

Dungeon roombas is a term for D&D "Gelatinous Cubes" - Experts at cleaning dungeons, leaving nothing behind.
After being coined by "Ezekiel" in 2022 - several scenarios with dungeon roombas has been created.

Dungeon roombas clean dungeons, in fact - they clean them so well that even its denizens are sometimes... vanished!