Obviously Level 100s, so maybe your starter that knows either Hydro Cannon, Frenzy Plant or Flare Blitz, or maybe some good Pokèmon from a friend or the GTS, (Global Trade Station) I beat him with an Empoleon Level 100, a Darkrai Level 100, a Mew Level 100, a Shaymin Level 100 and a shiny Psyduck Level 100. (Yes, a shiny Psyduck...)
squirtle and charmnder because i beat the game 5 times with that team
At the top of Mt. Silver. He is extremely strong, bring your best team
The best way to train is against Team Hydro in Makuhita's Training Dojo. You have to beat Rayquaza to unlock Team Hydro.
There is not a chance in the whole world that the best college team beat the worst NFL team!
you beat mystery dungeon red rescue team after you prevent the meteorite and defeat RAYQUAZA!
you have to beat the game then it will explain how.
With a strong team and simple type advantages
nouthing
hitmonlee, any of the legendary Pokemon and a psycic Pokemon. a chansey helps too.
Turn your team to ledgendries.
beat them daahh
Detroit Red Wings