A Colossal Discovery is a Research event that brings Regigigas to Pokemon GO. To participate, you need to purchase a ticket (USD $7.99) from the in-game shop. The ticket allows you to encounter Regigigas before it debuts in EX Raids later in November. https://t.co/KWkAwi8L9P

— Pokémon GO Hub (@PokemonGOHubNet) October 14, 2019