SUMMARY:

The heavenly demon of demon cult reached a new realm surpresing everyone even the martial god and obtained the title 'Heavenly demon god' and conquer the murim. But betrayed by his own disciple and cult he died in the war facing along. 

                                    After a while when he opened his eyes, he was reincarnated in another world where magic and demons exist. He was born as a noble the 3rd son of Duke crimson dragon a knight one of the 5 strongest people in imperial kingdom. 

                Born as a noble with a strong background, possessing a genius body and a past as heavenly demon god will be conquer this world too...