With a glance at the chaotic dormitory behind him, Li Yuan pushed open the door and didn't wait for the last person to leave the room.,"Only one month and three days, how can I possibly endure twelve years This is too difficult... It's not easy to learn something in the previous life, and this life is even harder!",Chopping wood, drawing water, preparing charcoal, transporting various iron ingots, wiping weapons, cleaning...。