Demigod Reincarnation

A grim world where there is no such thing as justice. A world where humans are outnumbered and only monsters can keep you company on a lonely night. Do you want to live? Be strong. Want to control your destiny? Be strong. But even so, there will be someone stronger. Alexander, the demigod of War, is killed by unknown enemies, but miraculously stays alive. But who is he now without his power?