Mega Evolution/History

Korrina, the Gym Leader of Shalour City, is said to know secrets about Mega Evolution. The Tower of Mastery is also related to Mega Evolution. According to a Kalos legend, the first Pokémon to have been Mega Evolved was a. However, according to Zinnia's grandmother in Pokémon Omega Ruby and Alpha Sapphire, was the first Pokémon to Mega Evolve; Mega Evolution was first discovered by the first meeting of humanity and Rayquaza. Professor Sycamore theorizes that Mega Evolution can only be achieved if there is a strong bond between a Trainer and its Pokémon.