The Strongest Upgrade System

What if every kill made you unstoppable? When a mysterious system grants him the power to level up beyond mortal limits, one man rises from nothing to challenge the heavens themselves. Chickens drop divine bloodlines. Toads unleash god-tier martial arts. Entire realms of women fall at his feet. With a dragon-slaying saber on his shoulder and the Sword of the Gods in his grip, he stands alone at the peak and roars: "Who else dares?!"