Process of finding limits for multivariable functions. Waking Rayquaza will also give you the ability to capture him for your team. He will tell you there is very heavy rain in some route. You have to be near the end of the game, after Rayquaza has stopped Kyogre and Groudon from battling, and after youve beaten the Elite Four, before youll have a chance to capture them. There's a huge tower there.