How do you find regigigas in the original Pokemon Ranger?

In the original Pokémon Ranger, you can find Regigigas by completing a series of tasks related to the legendary Pokémon. After capturing the three Regi Pokémon—Regice, Registeel, and Regirock—in their respective areas, you can unlock the path to Regigigas. It is located in the "Cresselia" mission, specifically in the area known as the "Temple of the Regi." Be prepared for a challenging capture, as Regigigas has high HP and a unique ability that affects its movement.