How to Get Mega Gyarados in Pokémon Legends: Z-A – Evolution and Location Guide
via screenrant.com
Short excerpt below. Read at the original source.
Mega Evolutions have been polarizing throughout the Pokémon community since they were introduced, but they sometimes allow us to see creatures in a brand-new light. Pokémon Legends: Z-A brings that Mega mechanic back into the fray, featuring returning Pokémon.