The Seven Dragon Stars were a secret circulated among the upper echelons of the kingdoms, one capable of changing the balance of power across the land. Each kingdom's sole heir held a part of it. Legend had it that whoever unraveled the secret of the Seven Dragon Stars would possess the power to rule the world.
Donghuang Taiyi's original objective had been the Seven Dragon Stars. Their origins were ancient and mysterious, so ancient that they could even be traced back to before the Zhou royal house. He suspected they might be connected to the disappearance of the gods, and perhaps they were the very key to leaving this world.
That was the sole reason the Yin-Yang School had joined Qin. After all, in this era, even a peerless master at the xiantian realm could not stand against an entire nation, and obtaining the Seven Dragon Stars meant getting past the Seven Kingdoms.
The Yin-Yang School had pinned its hopes of acquiring the Seven Dragon Stars on the rising state of Qin, which the Six Eastern Kingdoms regarded as a barbarian country. In exchange for submitting to Qin and helping it unify the land, the school would receive the Seven Dragon Stars as its reward.
Otherwise, what did the survival or destruction of the Seven Kingdoms have to do with the Yin-Yang School?
Donghuang Taiyi had even prepared for the possibility that the Seven Dragon Stars did not contain the key he sought to leave this world. In that case, he would abandon that elusive dream, settle for finding a small overseas island with reasonably good feng shui, and use Yin-Yang Arts to create a sealed barrier secret realm. There, the school would withdraw from the world and slow the dissipation of spiritual energy.
As for why he wanted to