10 Awesome Monsters for a D&D 5e Cave or Underground Encounter

Aquatic | Arctic | Cave or Underground | Desert | Forest | Grassland | Jungle | Mountain | Swamp

Are your adventurers making the long descent down to the underdark? Have you adventurers stumbled upon a map that leads to a treasure buried deep in an underground cave? Here is a list of 10 Awesome Monsters for a Underground Encounter from the Dungeons & Dragons 5th Edition Monster Manual in alphabetical order.