You said mechs were going to fight monsters, but instead you're destroying stars with your bare

This is an era where everyone owns a mecha.
Faced with monsters from the abyss who revel in cannibalism, fake humans, and even traitors and collaborators...
Li Zhe awakens the muscle armor system.
The physical body becomes armor, evolving infinitely until it surpasses everything!
……
On the day the Abyss Demon God descended, the Mithril Beacon crumbled before him.
"You are all insects," the demon god declared, confident of victory.
The next second, its head was crushed, and Li Zhe's figure slowly emerged from the void.
Standing atop the corpses of demons, overlooking all living beings on Earth.
"From today onwards, Earth is under my protection, understand?"
Oh, and there's one more thing...
"All those who have eaten people should be hung up as streetlights. Who agrees, who disagrees?"

Novel keywords: "We agreed to fight monsters with mechs, but I ended up destroying a planet with my bare hands" (no pop-ups), "We agreed to fight monsters with mechs, but I ended up destroying a planet with my bare hands" (full text download), "We agreed to fight monsters with mechs, but I ended up destroying a planet with my bare hands" (latest chapter reading).