Dao Integration-grade artifacts contained both spatial and temporal laws. Its source of power was the core of the corresponding demonic beast.
A Primordial Chaos realm expert who fused with a Dao Integration-grade artifact would then absorb the temporal laws, which would allow the expert's body to produce it independently and break through.
"An ordinary Dao Integration-grade artifact's power comes from the demonic beast's core, so when fighting, a full-force attack will cause the phantom of that demonic beast to appear!"
"As for the special Dao Integration-grade artifacts… They don't use demonic beast cores in the forging process. They are usually forged with elemental stones," Lan Xueyue said.