This is a hunting mission. You gain access to it by defeating the Zigotons at Heave Ho Oasis.
You can get the Kimpon Cap by defeating the Poocheek, a beetle-like creature that imitates a Kacheek. The Momoti will give you Succulent Meat (Dream Meat) if you can defeat them. You can gather Level 1-3 meat in this hunting mission. There are also sand Kacheek in this level. Don't forget to use Rain miracle.