Bound to a System, he can instantly max out his speed, strength, charm, and creativity just by devouring zombie attributes.
And if his levels go too high, he can even trigger powerful treasures like the Invincible Chainsaw and Second Growth, with their tremendous damage output.
In this apocalypse, I'm invincible. You do you.
This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.