The Revolution Of The Demon God: Emperor's journey
Tsarayu thought of a possibility as he asked in a serious tone.
"Ah… No, the truth is... After the great war, the Barong tribe grew really weak and after master Tian Shen left this world, another tribe got into a war with the Barong tribe over some dispute. Since they had no way to protect themselves, they asked us and the Banshee tribe for their help." Tensha answered.
"None of the tribe showed any interest in helping them, even when they offered their clan's treasures in exchange. Finally, when they could not bear the brunt of this attack, they offered the orb from which great master Tian Shen himself studied from, in exchange.