Apocalypse: The Strongest One to Emerge from the Killing Fields

P.S. The satisfying parts come later, so please be patient and keep reading!

[Apocalypse] + [System] + [Superpowers] + [Building a Faction] + [Dark] + [No Saintly Protagonist]

Showing mercy to your enemies is cruelty to yourself.

Su Han was reborn at the very moment before the Apocalypse broke out.

This time, he seized the initiative, awakened his System, and built a powerful faction.

“Slaughter was never my intention. I only do it to survive better in this chaotic world.”