Ideal Machine

Lu Hai got an ideal machine. This ideal machine can produce almost anything, but it only consumes a little energy. This energy is not ordinary energy. For the sake of the stars and the sea, Lu Hai can only work hard to complete various brick-moving tasks to obtain energy. The key is: "A foreign civilization may invade? What does this have to do with me? Let someone taller resist it!" "You are the tallest!" "Is it too late for me to not want your machine now?" …