Temple of Shrooms
After Professor Toad digs up four jewels (which are the Diamond Jewel, the Triangle Jewel, the Round Jewel, and the Square Jewel), Mario goes to the desert towers and puts the jewels in each of their missing eyes. After Mario inserts them, the towers will shoot lasers into the middle of Scorching Sandpaper Minor, creating a Magic Circle for Olivia to use the Earth Vellumental power. Doing so will make the Temple of Shrooms rise out of the sand, with the yellow streamer wrapped around it.
The first room in the Temple of Shrooms has eight pillars, four on each side and Egyptian-themed art of Toads on the walls. This room also has Co Gasagoso in it. When Mario enters the second room, he is surrounded by spikes, forcing him to move forward to a Scuttlebug that he is forced to fight. Around the front of the room are two Toad statues, each holding a platform, that are facing away from each other. If Mario stands on one, it will move the plate down allowing Professor Toad to read the text on the wall. The one on the right reads, "The left sign is more useful." If Professor Toad digs in the sand furthest to the left, he will dig up a Magic Circle, allowing Mario to use the 1,000-Fold Arms that enables him to pull down a staircase to reach the left platform. If Professor Toad tries to read it, he states that he needs a lot of time to properly decipher it. While Professor Toad stays on the platform to the left trying to work out the message, Mario can stand on the platform to the right the door, allowing it to open.
When Mario enters the third room, it will be dark. After moving left a bit, a torch will light up, scaring Professor Toad. At the end of the hall, the shadow of a faceless Toad will appear, causing Professor Toad to think there is a ghost. A Black Shy Guy will come out of one of the statues and slap Mario with a paper fan. Mario will then continue to the next room, which he can not leave unless he progresses to one after. If Mario tries to leave, two Paper Macho Mummy Goombas will appear out of coffins. If Mario hits the floor instead of the Paper Macho Goombas, he will create a 4x4 grid of holes that, if Mario falls in, he will struggle to get out of.
After entering the next room, there will be a Toad getting eaten by Co Gasagoso. After defeating all of them, it will reveal that the Toad is actually a faceless Toad. The room also has three coffins and four buttons in each corner, and each button has a different amount of triangles on it. The coffin on top says, "Personal Internment Number: 1 4 2 3" and Mario needs to hit the buttons with that amount of triangles in that order to open the coffin at the top. The coffins to the left and right can also be entered to reveal a secret room or to go back to the previous room to get music discs. Going back to the previous room leads to a treasure chest containing a disc "Heartbeat Skipper" and a Warp Pipe connecting to a disco room; however, the Pipe is blocked until Mario peels off the Olly Tape from the other end of the Pipe in the disco room. The room to the right has a Scuttlebug and a Boo in it.
The next room is a hall of statues, and at the end of the room, there are three faceless Toads hanging from spider webs that Mario can pull down. The next room is very small, being just a bridge to another room with a bigger spider web that has twenty-four faceless Toads hanging on it, as well as a Boo and a Black Shy Guy. The next room has falling statues that Mario must avoid. A few of them have things inside like Dry Bones, Not-Bottomless Holes, Boos, the entrance to another room, and the final one has the music disc "Deep, Deep Vibes".
The next room has cylinders poking out of the ground. Hammering these cylinders will make them go into the ground and glow, and a few of them are trapping faceless Toads. At the front of the room is a Not-Bottomless Hole that Mario must repair to reveal a hint that says, "A star lights your way..." Mario needs to hammer the cylinders in a shape that looks like a star to raise a staircase leading to the next room, which is a small room where Black Shy Guys must be fought.
The next room has disco floor, a Save Block, a Warp Pipe, more faceless Toads, and the entrance to the other side of the room with the large spiderweb trapping faceless Toads. DJ Toad needs Mario to find the music disc "Thrills at Night" and all 40 faceless Toads to start a party. After finding the disc, Mario needs to go around the temple to bring every faceless Toad in the temple to the dance floor. There a few Toads in the coffins that require 10 faceless Toads to push open. Coffins with Toads inside will start shaking to alert that those are the correct coffins.
After going through the coffin with a moon on its lid in the second row, Mario reaches the bottom of the room with a final coffin, right below the spider web. If Mario gets too close to it, he will get attacked by many Scuttlebugs. If Mario opens the coffin, he can get a Super Star to defeat them. After all the Scuttlebugs are defeated, a Magic Circle appears, allowing Mario to use the 1,000-Fold Arms to get all the Toads down by pulling down the spider web. After all the Toads are brought to the dance floor, they will start a party. This will make Hole Punch come out of his room and start a boss fight. Upon defeat, Hole Punch explodes, releasing the faceless Toads' faces that are subsequently restored to them. Also, a Magic Circle spawns in Hole Punch's room, allowing Mario to use the 1,000-Fold Arms to destroy a spool for the yellow streamer in the same room. With the streamer cleared, a disco ball drops to the floor and shatters, releasing a sun that subsequently floats back into its place in the sky over the Scorching Sandpaper Desert.
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