Mega Evolutions allow you to power-up existing creatures into a much more powerful form in Pokémon Go. First introduced in the mainline games with Pokémon X and Y ... to Mega Evolve a Pokémon ...

but the standard version of that Pokémon and an amount of Mega Energy to then Mega Evolve it, all based on how fast you take down the raid. The focus of Shadow raids this month will be Shadow ...