This should find the address of the battle. Brazil's network. You must log in to register. I really don't know the specific address. I guess you can get it by searching.

The following is the relevant introduction:

Players can choose to use International Visa or MasterCard to purchase and download the complete Brazilian-Portuguese World of Warcraft game and its information fragments through the website of Battle.net, Battle.net. Players can also pay by local debit card, credit card, cash payment, bank transfer, or electronic wallet (such as Boleto Bancario) through -DineroMail, an online payment website that cooperates with Blizzard Entertainment, without paying extra fees.