If I purchase Black Cloud Coin on my game account can I use it to buy items on other games? Lance July 29, 2019 21:38 Updated Follow No, Black Cloud Coin can only be used in Aion. Black Cloud Coin cannot be converted to NCoin. Lineage II and Blade & Soul game accounts only accept NCoin. Related articles PayPal® Purchase Option Restrictions Password Issues Using a Serial Code Aion In-Game Shop FAQ How Would a Hacker Get Access to My Computer?