The Demon King's Brave Training Plan

In the year 7891, the world collapsed and evil was rampant. This world has long been soaked to the bone with malice. The world regards me as an unknown person and wants to kill me to death. But what did I do wrong? After the people I loved fell one after another, I completely gave up on my inner rationality. I will become the strongest demon king in this world. I will send down ten kinds of darkness that will eat away at your hearts forever. Malice, fear, anger, hatred, struggle, despair, killing, destruction, pain, sorrow. I let everyone live, live to bite each other, and live to taste the bitterness I have tasted. My spirit is collapsing, my mind is corroding, I am constantly worried about gains and losses, and the slightest disturbance can ignite my rage. But unfortunately, I am not even qualified to die. So, I made a new decision. I want to personally train brave men, give them equipment, give them experience, and give them all resources. Make them strong enough to stand before me, strong enough to judge me. This is the ending I decided for myself—— Die by the sword of a brave man. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.