Immortal Overlord

You have an army that covers the heaven and earth, and I have thousands of descendants. Are your mechanical warriors fearless? Sorry, I have an ancestor who has lived for thousands of years! This Qin Dynasty bronze sword in my hand must be tempered with your nuclear bomb! On the surface, it is a diary of the upbringing of a handsome grandpa raising his children, but in essence, it is the return of the strongest king and the unparalleled mowing of grass. Light punk, heavy punk. Low force system! Please be careful before reading!