After defeating the GT Robot, Toriko, Mansem, Tina and Komatsu discover a Regal Mammoth. The Gourmet Hunter says that the Mammoth has been called a food treasure. However, a stranger defeats a group of Gang Hoods when they try to steal the Regal Mammoth. The stranger reveals that his name is Sunny and is a member of the Four Heavenly Kings. Mansem tells the group that the Regal Mammoth is a child and their parents are somewhere on the island. At Mansem`s request, Toriko and the others search for the adult Regal Mammoth. Meanwhile, the Gourmet Corps learn of Bei`s failure to defeat Toriko and steal the Regal Mammoth. Toriko and the others discover Black Grass and Sunny tells the group his full course meal. Toriko tells Komatsu that the IGO has 8 worlds with different environments and beasts. However, the group discovers the giant Rock Drums. Toriko uses his Five-Folt Spiked Punch technique on the beasts and Sunny eventually the last one with the Hair Net: Spatula technique. Mansem learns that a GT Robot has invaded the island.