Free-To-Play, with in-game Mall
Silkrode Online is a fantasy MMORPG based on the the Chinese trading traditions by Joymax. SRO is free, but it has in-game Item Mall for purcahsing items or "Silk"-game currency. The game is designed to represent the Silk Road trades of 7th Century.
Silkroad Online gameplay is a lot alike other Korean games this genre, especially Lineage2. There are two type of characters - European and Chinese. Also players can chose to master weapon or elemental skills.
Nice SRO Fortress Movie