first go and beat team rocket in goldenrod city. once you do that head back to mahogany and head right. go through the ice cave to show up in blackthorn city
Blackthorn City
It is in blackthorn city
in blackthorn city
in blackthorn city
blackthorn city.
you just go north of blackthorn city and beat the gym leader
It's in Blackthorn city
when your on your way to blackthorn city i think
in blackthorn city, $1000 each
go to blackthorn city and fart
you have to beat team rocket in goldenrod city
you can go to blackthorn city