What is mount ebott?

Mount Ebott is a fictional mountain and the setting of the video game "Undertale." It is said to have a mysterious cavern system and is infamous for the rumors of people and monsters disappearing upon entering the caves. The mountain is often associated with the monsters, as it is their rumored place of origin and their kingdom is located under the mountain. The summit of Mount Ebott is also the location of the game's final boss battle.