§4) Account Sales
It is forbidden for accounts to be involved in any commercial activity. An account cannot be offered for sale. Offering gold coins to other players in exchange for in-game activities such as attacking other players is prohibited.
It is forbidden to buy or sell resources( for example on E-bay)
It is forbidden to sell your account, or to sell playing rights to your account.
It is forbidden to advertise gold or resources for sale on your profile.
It is forbidden to complete or accept game services for gold.
It is forbidden to ask a third party to conquer your enemies in exchange for gold.