Kurtz failed a mission!
That was a word never said.
Kurtz, a legendary Mercenary had finally received a ticket to the underworld. 
He was back at home just in time to discover a great threat rising against his kind.
As a rejected prince and murderer of the last Blood Queen, would Kurtz choose to help his people?
However, his identity was much more mysterious than Kurtz had ever think.
Would Kurtz fulfill his parents wishes?
Would he find out the truth about his origin?

SYSTEM OF THE BONE DEMON

Kurtz raised a brow on seeing the changes in his system. His quest of saving the vampire royals had gotten him some kind of gene upgrade but it seems the gene upgrade was not so simple. 


His energy had after all been doubled from before and now, Kurtz started to understand why he didn’t even feel a hint of weakness after all the hectic activity in the underworld. 


Fulfilling his promise to his father had also gotten him great rewards, his stats had gained some improvement though he would love to be afforded the freedom of allocation them himself. His decision to upgrade the forbidden state skill to supreme level was however influenced by only one fact which was that, it was the lowest levelled skill in his arsenal. 


WHO IS IT