4 Euro
user: Whoknowsit
https://eu.battle.net/shop/checkout/...p=shop&cr=true
EU 7.5 euro
https://eu.battle.net/shop/en-GB/che...p=shop&cr=true
change WoW1 -> WoW2 if you need upgrade your second acc
US
10$
https://us.battle.net/shop/en-US/che...p=shop&cr=true
change WoW1 -> WoW2 if you need upgrade your second acc