Prehistoric Desolation: Decomposition of Buzhou Mountain at the beginning

Ye Chen traveled through the prehistoric world and became an ordinary witch.
But what Ye Chen didn't expect was that the time he traveled over turned out to be the critical time after the Lich War, when the witch clan was preparing to fight for the position of the human emperor and turned against the wind.
Competing for the position of emperor?
That opponent is Chanjiao, Heavenly Court, Dragon Clan!
This *ma is going to be reduced to the rhythm of cannon fodder!
Fortunately, at this time, the super god decomposition system awakened.
"Ding! Congratulations to the host for decomposing Buzhou Mountain and getting rewards: [-] drops of Pangu's spinal cord, a trace of pure Pangu's primordial spirit, a piece of Pangu's inheritance, and the decomposition value will increase by [-] million!"
"Ding! Congratulations to the host for dismantling Penglai Island and obtaining three chaotic dragon veins, a map of Yingzhou Island and Abbot Island, with a disintegration value of 3000 million!"
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"Ding! Congratulations to the host for decomposing the prehistoric world and obtaining three thousand laws of heaven, with a decomposition value of 100 billion!"...