From TokyoPop:
300 years ago, a powerful warlord rebelled against the Heavenly Emperor. After killing the Emperor, the warlord crowned himself as the new Emperor, starting a cruel reign. But there is a prophecy: Six Stars will one day assemble and overthrow his tyrannical rule …
Now, the ruler of the Yasha Clan has found Ashura, the last of the Ashura Clan, and together they set out to find the Six Stars and fulfill the prophecy.