Chapter 149: 500 Million Energy, Assassination from Legends! (5k)_3
[Gradually, you discovered that the energy contained in the flesh essence of the royal demon emperors varied.]
[Although the energy difference was not significant, you secretly speculated that this might be related to the purity of the demon race's bloodline.]
[That year, you slew more than a dozen royal demon emperors, further enhancing your strength.]
[By the thirteenth year, the number of royal demon emperors who had fallen by your hands had nearly reached one hundred and eighty.]
[Gradually, fewer and fewer demon emperors came to challenge you. You knew this was because the high death toll had made these royal demon emperors more cautious.]
[But fortunately, from time to time, there were still a couple of reckless demon emperors who came to challenge you, so your flesh essence was still sufficient.]
[In the fourteenth year, you did nothing but fight and cultivate every day. Although the days were dull, your strength increased visibly.]