Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
You need HM05 for Flash to go past Rock Tunnel. After you have got 10 pokemon, evolution counts, go through Diglett's cave from Vermillion City. Go down and find Prof. Oak's aide in the Viridian city. He will give you the HM05 for flash.