Luigi’s Mansion 3: Story Summary & Ending Explained

Story summary and ending explained for Luigi's Mansion 3

You might be wondering just how the heck did Luigi end up being trapped in a spooky mansion all over again. Well, here is the story summary & ending explanation for Luigi’s Mansion 3 so that you can read about every key plot point that happens in the game.

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Spoiler Warning: Obviously, this Luigi’s Mansion 3 story summary is, you know, going to go through the entire plot of the game.

Story Summary & Ending Explained for Luigi’s Mansion 3

Opening Scenes

Luigi’s Mansion 3 opens up with Luigi, Mario, Princess Peach, and some Toads in a traveling bus that is en route to a luxurious hotel that they were strangely invited to via a letter.

The group arrives to the hotel and are welcomed inside by weird-looking stewards and bellboys and when Luigi is ready check-in, he’s told that the hotel is named The Last Resort.

They are then introduced to Hellen Gravely, the supposed owner of the Last Resort and she basically tells them how delighted and excited she is that the group accepted her invite and made it to the hotel.

She shows them all to their respective bedrooms after walking into the elevator and before the door closes, she gives the camera wicked grin and then they all get settled in for the rest of the night.

Luigi falls asleep while reading one of his books but he is awakened in the middle of the night when he hears a shrieking scream coming from Princess Peach’s room and he sees that all of the lights in the hallway have been shut off, making everything dark and spooky.

He walks around the hallways with his flashlight in tow and finds the owner of the hotel, Hellen Gravely, who reveals that she only invited Luigi to the hotel because she was told to by someone she admires, and this “person” happens to be Luigi’s arch-nemesis, King Boo.

Somehow, Hellen was able to free King Boo from E. Gadd’s laboratory and he’s back for revenge with a plan to trap Luigi and all of his friends in frames… again.

He reveals that he has already trapped Mario, Peach, and three of the Toads in paintings and now he just needs Luigi.

After a wild chase scene, Luigi escapes for the time being and winds up in the basement floor of the hotel where he finds something very crucial to his journey.


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Greysun Morales
Greysun was formerly the Features Editor at Twinfinite and wrote for the site from 2017 to 2020. He eats ramen 12 times a week and will never get tired of it. Playing Games Since: 1993, Favorite Genres: Action-Adventure, JRPG, Platformers, and Anything With Ramen