Key Items

Strange Medal: Found in a Wariomare, unlocks a door somewhere in the dream.

Badge Case: Gotten from the Badge Shop in Shroobville. Comes with the Mushroom Badge, Shroob Badge, and Starter Badge.

Time Travel Watch C2400: Given to Luigi when Mario is very sick, let's you travel in time, also let's you go to the 8-Bit version of towns, and some other places.

High Bounce Shoes: Let's you high bounce off of Green Springs.

Paper Converter: Lets Mario turn into paper.

Ghost Converter: Makes you able to hit ghosts in Abandoned Mansion, and Haunted Hills.

Moon Town Ticket: Let's you enter Moon Town without being kicked out.

Wario's Pillow: Lets Wario sleep in specific places and have Wariomares.

Lucid Dreamy Star: In Wariomares, Luigi will duplicate into 4 separate Luigis, when Mario attacks, so will Luigi at the same time, although these Luigi's are also invincible, they also deal much less damage than normal Luigi.

Box of Nightmares: This is where Wario's pillow is found, and introduces the Wariomares mechanic.

Ghost Converter: Turn's Luigi into a ghost, you can pass through grates and other things, is required to enter Ghost Castle.