What are my options to purchase NX as a player in South America?

BoaCompra: (South America Only) Purchase NX Credit via multiple methods of payment including:

• Bank Deposit Payment: Santander, Banco do Brasil, Bradesco, Caixa Econômica Federal, HSBC, Itaú, Banco do Brasil Online, Banrisul Online, Bradesco Transf., and Itaú Online.
• Online Payment: BoaCompra Gold and PagSeguro.
• Credit Card: Visa, Visa Electron, MasterCard, American Express, Aura, Diners Club, Elo Card, Hipercard, and Personal Card.
• Bankslip/Online Debit: Boleto (Bankslip), Most relevant: Boleto (Bankslip), Itaú, Bradesco, Banco do Brasil, HSBC, and Caixa Econômica Federal