My ares god of war system

It was a cold and lonely death on the battlefield despite the thousands of warriors around me and the beating sun shining upon my corpse. In the year 431, I had died on the battlefield. I was reincarnated into a new world, hoping my life would be better, but I ended up in a more miserable situation than before. As the sickness began to eat the insides of my mother, a saving grace that would pull me out of the darkness, but into the abyss... had come. [A system is being chos- [Interference by higher being] [Error] [Authority is insuffici- [Error] [Authority is sufficient] [Your god has been selected] [Your system has been granted] [Ares System is being installed]