Da Qin: a Life-Cutting Knife at the Beginning!

Travel through the Warring States Period, rebirth the Qin Empire, and get a life-cutting knife at the beginning! You kill a salamander and gain 1 day of life! Regeneration ability +1! You kill an eagle and gain 1 day of life! Vision +1! You kill a cheetah and gain 1 day of life! Speed ​​+1! Every time you kill an animal, you can gain one day of life and even their strongest attribute! Until one day, he killed someone... You kill an enemy and gain 1 year of life! So you enlist in the army and go into battle to kill the enemy! After one battle, your lifespan will exceed 200! A year later, he became the God of Killing in the Qin Dynasty and had a lifespan of over a thousand! After the reunification of the Qin State, you lived over 10,000 years and retired with great achievements! You, who live in seclusion in the mountains, go out into the world from time to time. I drank with the Overlord of Chu, single-handedly defeated the Five Tiger Generals, played chess with Li Chunfeng, and worked as a beggar with Zhu Yuanzhang... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.