Yoob's Belly

Yoob's Belly is Yoob's belly. Once the brothers find this monster, he is finishing off all of the Yoshi's. He tries to eat Kylie Koopa, but he spits her out. Not noticing the Mario Bros., Yoob walks away. The Mario Bros. then go to help the Yoshi's. They meet up with Baby Bowser and Kamek. Kamek is feeding Baby Bowser some Yoshi Cookies he found. Baby Bowser runs away after seeing the Mario Bros., leaving Kamek to fight them. Kamek is defeated, and so the Mario Bros. chase after Baby Bowser. Baby Bowser then eats the Cobalt Star Shard. Yoob, comes up however. With the help of a Shroob UFO, Yoob grows to epic proportions, and eats the Mario Bros and Baby Bowser. After entering the monster belly, the brother meet a Yoshi who is trying to push a Chomp Rock to make a passageway. After managing to free the nearby Yoshi and subsquently heading deeper in Yoob Belly. The group discover a small chamber full of various Shroob machinery. After freeing the remaining Yoshi's, they head to Sunnycide chamber, but no before meeting an amnesic Toadbert. The group then defeat Sunnycide in a long and gruelling battle and escape Yoob body.