You can then choose from one of the kanto starters in prof oaks lab and choose one hoenn starter from Steven in the silph Co. Building in saffron city. Refight the Pokemon league then go back to mount silver to rebattle red.
He just disappears
finish the KANTO LEAGUE and beat RED/ASH
You can now rock climb and do a whole lot more
Beat Red
You can only beat him once.
you get it from prof. Oak after you beat red on mt. silver.
you beat red and get the green orb
therapy
He disappears after you beat him
there is another region in the game that is red version and you have to beat all the gyms.
You must beat Red, the game's version of Ash, at the top of Mount Silver.
well pretty much you can go to mount silver and battle red then you can get the kanto and hoenn starters