There’s no end in sight for Pokémon, and the core series has delivered groundbreaking adventures for close to three decades. Pokémon’s basic principles remain the same as intrepid Pokémon Trainers do whatever it takes to become a Pokémon Master and fill their Pokédexes to their hearts’ content. The franchise has come a long way since the Generation I antics from the original Pokémon Blue, Red, and Yellow, but particular gameplay mechanics, like evolution, have been essential from the start. Pokémon evolve in a multitude of ways, whether it’s through battle experience, environmental conditions, or the help of special Evolutionary Stones. The Moon Stone is a rare relic that’s been around as early as Generation I, but it’s often difficult to determine which Pokémon it can help grow.
Source：https://www.cbr.com/pokemon-moon-stone-compatability/
