Pokémon Go' Mega Evolution Event 2: Start Time, Research Tasks, Mega Houndoom & More

If trainers around the world complete 275 million battles, that will unlock Mega Houndoom.

Pokémon GO's Season of Adventures Abound's Festival of Lights event guide – Nintendo Wire

Complete Mega Evolution Guide

Evolving Stars Field Research Tasks (LegendsLima/G2GMEDIA) : r/TheSilphRoad

A Mega Moment: Complete Event Guide

Pokémon Go Mega Evolution guide - Polygon

Mega Battle - Unlock Mega Houndoom - Leek Duck

Pokemon Go Mega Evolutions: Here's How To Get Mega Energy And Mega Evolve Your Pokemon - GameSpot

Pokémon GO: A Mega Moment Event Guide

Pokémon GO - Get ready for some mega bonuses, Trainers! Every time you Mega Evolve a Pokémon, you work towards increasing its Mega Level. You'll get more bonuses every time a Pokémon's

New Assets - More Megas (3D Only) : r/TheSilphRoad

Mega Optimization; The Top Mega Evolutions for Raids

Pokémon Go Mega Venusaur Mega Raid Guide

Revamping the Mega Evolution system

Pokémon Go Mega Evolution update and new bonuses, how to Mega Evolve and all Mega Evolutions list