Warlock of War: My Ares System

Summary:

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]