Here is a full list of cosmetics from the Fortnite Welcome to the Melloverse Set! It features a total of 7 Cosmetics that is broken up into 2 Outfits (Marshinobi, Marsha), 1 Harvesting Tool (The Shockwave Blade), 1 Emote (Maximum Bounce), 2 Back Blings (Shockwave Blades, Mella), 1 Music (BeFoRe U).
