Great Qin: I Level Up by Slaying Enemies, Beheading Meng Tian from the Start

I transmigrated to the Qin Dynasty and bound myself to a kill-to-level-up System. Slay enemies, and you grow stronger. From the start, I was in a new-recruit camp. I beat up a veteran who came to "teach" the recruits a lesson, then talked back to Meng Tian right to his face. He asked why I wasn't afraid to die. I answered, "I want to earn merit." He looked at me intently. "I'll remember you." Later, he became my father-in-law, and later still...