They then start flying towards the clouds in order to give chase to Bowser and help Mario. Luigi and Helmer enter The Voyager and start rising from the ground. Helmer then uses the Power Moons to build a new ship, which he calls The Voyager. After exploring Bonneton for a bit and finding Power Moons, Luigi and Helmer make their way back to the Airship Field.
Luigi and his new partner waste no time trying to find Power Moons. Helmer tells Luigi that in order to build a new ship, he needs Power Moons before transforming into Luigi's hat. He is the same Bonneter that has caught Luigi's hat and is still holding it. The Bonneter introduces himself as Helmer and wanting revenge, he decides to accompany Luigi and help him. When he arrives at the airship yard, he is confronted by an angry Bonneter, who is mad because Bowser attacked him and destroyed his ships. After taking control of him and exploring around, he then sees the ship of the Broodals and heads towards them. Once Luigi wakes up after an hour, the Bonneters flinch and run away. Luigi's hat floats a mile away from the tree by the wind and is caught by a Bonneter. Luigi's hat is then seen stuck on a tree after floating away from the airship. Luigi is next seen falling down out of the sky and he lands on the ground of the Cap Kingdom. Luigi's hat floats down from the air and away as Luigi is seen flying away. The barbell weight plate comes back like a boomerang and it sends Luigi flying away from the airship. throws a barbell weight plate at Luigi as he yells "GOOD BYE LUIGI!" and it knocks Luigi back also knocking Luigi's hat off and up into the air. and Luigi get into a brawl with each other. He wastes no time running towards the ship to battle Bowser Jr. After defeating them, he arrives at the balcony only to find out that the ship has already left. On his way, he's stopped by a couple of Hammer Bros. Luigi is inside the castle and can be seen making his way towards the balcony to help Mario. Bowser invades the castle and takes Peach for his wedding. This game takes place during the events of Super Mario Odyssey. Mario and Cappy are only seen in the story custances of this game. Luigi must reunite with Mario with the help of a grouchy Bonneter named Helmer during the events of Super Mario Odyssey.