The breath of heavenly thunder is the power of the nature of the thunder element that carries a real power of heavenly thunder, and it is very different from the actual power of heavenly thunder.The integration of the Heavenly Thunder Breath into the Thunder Yuan True Qi can significantly increase the level of the Thunder Yuan True Qi, but this is not the real Heavenly Thunder.Although after comprehending the thunder control technique, Thunder has already begun the process of evolving the Thunder Yuan True Qi containing the breath of Heavenly Thunder into the essence of Heavenly Thunder.However, this is only the beginning, to completely cultivate and evolve the ordinary Lei Yuan True Qi into a real Heavenly Thunder, the process will undoubtedly be very difficult and long. mobile phone reading,