Lineage(1993)

Lineage

A threat has been made against young Prince Deporojue of Aden. Sent away for his own protection, he soon discovers the culprit is none other than the dangerously ambitious King himself. A stepfather and enemy to the Prince, this usurper looks to secure a permanent position on the throne by killing his stepson. But with the help of his late father's friends, the Prince fights for his rightful throne...and vengeance!

The original manhwa which inspired the NCsoft game Lineage!