One more legendary surprise is coming to Pokémon GO in 2018! The Fire- and Steel-type Lava Dome Pokémon, Heatran, will join Raid Battles across the world from December 18 at 1:00 p.m. PST to January 15 at 1:00 p.m. PST!
Be sure to assemble a team that includes Water-, Fighting-, and Ground-type Pokémon to take down this Legendary Pokémon before it overpowers your team with its massive strength!
Don’t miss this chance to catch this Legendary Pokémon before it returns to its mountain home! Stay safe, and happy exploring!
—The Pokémon GO team