Make sure to bring different types. Also make sure to bring strong Pokemon. A mix of a Tyranitar and a strong electric Pokemon will get you very far. Make sure to keep track of what Pokemon he has already used.
He vanishes.
battle your freinds that's about it :]
beat elite four rematch
complete the pokedex
after you beat red in Mt.silver
in soulsilver you get the red orb in heartgold you get the blue orb
He disappears until you beat the Pokemon league again.
well u can catch the rest of the rares
Earn the national Pokédex, go to the mountain where Red is and beat him.
If you beat trainer red go to Mr Pokemon's house and he will give you a red orb.
pokemon soulsilver-you get it when you beat red then go to prof.oak in pallet town.
beat red and go to prof. oak