If you want to get high-tier monsters in Catch a Monster, you have to defeat the different bosses that spawn across all three islands. Along with massive EXP and Coin boosts, these bosses drop different kinds of eggs that you can hatch to get high-tier monsters, shiny and giant variants, and the boss itself. This guide will tell you everything you need to know about all the Catch a Monster bosses, so you can grind whichever you want to.
