Angsinui Gangnim

The story of a slave, called Zion, set in a Middle Eastern setting, who is training to become a great necromancer, to be able to fight on even grounds with Knights, to have his long awaited revenge as a chosen child(1 of 4) of Kronos...he became a slave on his own accord to achieve his goal...
Now... what has God chosen for his fate?...or was it the Devil?