Source: Niantic Beginning on March 30, 2021, the Therian forme of Tornadus will be making its Pokémon Go debut, taking over Legendary Raids. We've faced Tornadus in his Incarnate forme twice now, but this forme is a bit different. Fortunately, we here at iMore have everything you need to know to tackle this new Raid. And be sure to check out our Best Pokémon Go Accessories, so you can be fully equipped for your Pokémon Journey! Who is Tornadus and what are the Forces of Nature? Source: The Pokémon Company Pokémon Black and Pokémon White, the Forces of Nature are a Legendary Trio. Fans have also called them the Legendary Genies, the Kami Trio, and the Cloud Trio. They include Tornadus: the Cyclone Pokémon, Thundurus: the Bolt Strike Pokémon, and Landorus: the Abundance Pokémon. Landorus, the strongest of the three, was said to have stopped the other two from wreaking destruction across the Unova Region. In more recent times, the Mythical Pokémon, Meloetta was able to calm all three of the Forces of Nature to save the Unova Region from their destructive powers.