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Luigi's Mansion is a unique stage, making its return from Super Smash Bros. Brawl, that it puts you, the players, into a smaller version of the Mansion Luigi "won" in the spooky game; Luigi's Mansion
Luigi's Mansion has 3 levels that you can battle on, however is has an added twist. Each of the levels get held up by pillars. If you destroy these said pillars, the part of stage above the pillar will collapse. There are four pillars you can do this with and if you manage to take out all four, the stage completely disappears and is just the ground. After a short time, the Mansion magically re-appears