I don't have wi-fi due to my NAT being WPA, does this mean i can't join? Or can i just battle on that online Pokemon thing?
You can battle on PO. Apply, then download PO at this link: http://pokemon-online.eu/download
Just searched on google and apparently i can use wi-fi in B/W but not any of the older games.
yes you can. i dont know where you heard otherwise
when should i do my battle?
Just to be clear aenea, no one is allowed to be in more than one clan right?? cuz couple guys from IMP wants to join, but wont leave Imperial...
They aren't, no. But that only applies to Serebii clans. As in, they can't be in more than one *Serebii* clan than one. I'm pretty sure it doesn't apply to clans you join elsewhere.