"Hum~~"
Hand seals became magical imprints, sinking into the Setting Sun Golden Rainbow Spear one after another and making its shaft tremble continuously.
The dark golden spiritual light the spear naturally emitted slowly faded from bright to dim.
Liu Yu cast hundreds of hand seals. As time passed, the Setting Sun Golden Rainbow Spear's power gradually waned from its peak.
Yet one thing remained unchanged: its keen, piercing edge!
"Ugh~"
Suddenly, Liu Yu let out a muffled groan. His face grew faintly pale, and his aura began to fluctuate, becoming increasingly unstable.
A life-bound treasure was tied to its cultivator's life, their connection extraordinarily close.
To increase the Setting Sun Golden Rainbow Spear's power, he first had to destroy its original structure, damaging it to some degree. Naturally, this would affect its master as well.
As the Setting Sun Golden Rainbow Spear visibly dimmed, Liu Yu's face grew increasingly pale, and the fluctuations in his aura became more pronounced.
Fortunately, since he was deliberately controlling the entire process, the situation remained within manageable bounds.
If a cultivator's life-bound treasure was damaged or destroyed in battle, their strength would suffer severely.
When the Setting Sun Golden Rainbow Spear's spiritual light faded completely, Liu Yu's face turned as pale as paper, and a fine layer of cold sweat appeared on his forehead.
"Go!"
Suddenly, he pointed a finger.
A portion of the Azure Yang Demonic Flame that had been melting the red sun gold essence immediately split off and began firing the Setting Sun Golden Rainbow Spear.
"Sizzle~"
For a time, the only sound in the artifact refining chamber was the burning of flames.
Their extremely close connection meant that, to a certain extent, the life-bound treasure and its master shared the same sensations.
"Ugh~!"
Thus, when the Azure Yang Demonic Flame