Heatran is leaving Pokemon Go , but a new Legendary is on its way to the game. Tornadus, one of the Legendary Pokemon from the Unova region in Pokemon Black and White , will make its debut in Raid Battles beginning today, February 4, at 1 PM PT / 4 PM ET, making this your first chance to catch one in Niantic's hit mobile game. Until February 25, you'll be able to encounter Tornadus in five-star Raids. Before you can catch the Legendary, you'll first need to team up with other players and battle it; if your group is able to successfully defeat Tornadus, everyone who participated in the Raid will earn a handful of Premier Balls and a chance to capture it. Tornadus is part of the Forces of Nature trio, alongside Thundurus and Landorus. As a pure Flying Pokemon, Tornadus is especially vulnerable to Rock-, Electric-, and Ice-types like Rhyperior, Raikou, and Mamoswine, so your best bet to catch one is to bring along Pokemon of those types when challenging it. If you don'...