The Underworld

The Underworld is a big dimension that only exists in dimension slides. And is also a special dimension, because its dimension can be reset and reset.

Event

 * The Genocide Route
 * The True Pacifist Route
 * The Neutral Route
 * The Elimination of The Robots

History/Now Situation
Main Story See Here: Undertale Wiki

The True Pacifist Route: Ends with all the characters go into The Portal of The Legoverse although many of them die later.

The Neutral Route: Ends with The Robots killed all the people in the Underworld.

The Genocide Route: Ends with The Robots eliminated the whole dimension successfully because everyone died.

Trivia

 * Now the Wiki talking about is after The True Pacifist Route.

Hall of Fame

 * Undyne The Undying (The Captain of the Royal Guards)
 * Asgore (The King of Underworld,The Founder of The New Asgored)
 * Toriel(The Queen of Underworld, The Founder of The Asgored)
 * Papyrus(The Royal Guards Co-Captain)
 * Sans(Last Corridor Guy)
 * Mettaton(The only Star of The Underworld)
 * Frisk(The Protagonist [Player])
 * Chara(The First Human to fall down into The Underworld)