Venturing into Natlan, the realm of fire, requires at least something about the landscape and its denizens. Saurians will also become aggressive toward anyone who gets too close, so travelers will have to be very careful. The Gluttonous Yumkasaur Mountain King is one of the most famous bosses in Genshin Impact 5.0, and as such, is an incredibly fearsome beast. Defeating this monster is important for characters such as Kachina or Kinich, who have the potential to take this beast down. However, finding its lair is pretty hard.