After taking a drop of Millennium Spirit Milk, Liu Yu immediately recovered somewhat in every respect.
He kept his mind intensely focused, his Divine Sense locked tightly onto each portion of Spirit Materials essence inside the Artifact-Refining Furnace. Increasing his Magic Power output, he drove his pill flame to its fullest to purge more impurities from the materials.
Under the blazing golden-red firelight, the essences of dozens of spirit materials slowly underwent wondrous changes inside the furnace.
The liquids of various colors continued to shrink almost imperceptibly.
Wisps of gray-black impurities were constantly expelled from the Spirit Materials essences, settling at the bottom of the Artifact-Refining Furnace under Liu Yu's exquisitely precise control.
One hour, two hours, twenty hours.
The sun rose and set, completing seven such cycles. Only after seven days and seven nights was this step finally complete.
That should do.
With the pill flame my current Magic Power can produce, this is as far as I can refine them. Even if I keep going, further progress will be difficult.
It's time to form the treasure embryo.
His gaze fixed firmly on the bronze Artifact-Refining Furnace, his Divine Sense constantly monitoring its interior, Liu Yu's eyes flashed as he made his decision.
Given the strength of his current Magic Power, the pill flame he produced had already refined the spirit materials almost as perfectly as he could manage.
Even if he continued the purification with a precious resource like Millennium Spirit Milk, there would be little improvement.
Perhaps he could refine the Spirit Materials better after raising his cultivation, but delaying the creation of his Life-bound Treasure for that reason would clearly be a mistake!
Having made his decision, Liu Yu immediately acted.
He changed his hand seals and employed the Treasure Shaping technique recorded in the Azure