Three days later.
Wang Yu sat cross-legged on the Iron Boat, an iron essence sphere floating in midair before him.
The sphere looked no larger than a thumb, yet under the pull of Wang Yu's Metal-Dowsing Art, it darted up, down, left, and right.
Wang Yu moved a finger, and another sphere flew out from his robes. The two spheres drew one another along, circling up and down as nimbly as two fluttering butterflies.
Then came a third, a fourth, a fifth...
Only after the eighth sphere emerged did they stop coming.
All the spheres began spinning rapidly around Wang Yu. Driven by his ability, they accelerated, gradually becoming pale black phantom rings, while sharp hissing sounds sliced through the air nearby.
"Halt!"
Wang Yu uttered the word softly, and all the spheres stopped dead.
Then firelight flickered in the air, and a crimson fireball appeared. It split into two, then four, then eight...
Whoosh! Whoosh!
The fireballs swayed, each enveloping a sphere. In an instant, the spheres reddened and softened within the flames.
A crystalline gleam flashed in Wang Yu's eyes as he watched everything before him without blinking.
Pulled by some force, the red-hot spheres began to lengthen and change shape, finally becoming flat, willow-leaf-shaped flying knives.
Wang Yu flicked his sleeve. Amid a flash of red light, the flames were swept away, leaving only eight flying knives suspended in the air.
"Husband, what kind of technique is that?"
Yin Linglong, who had been watching beside him, was already dumbstruck and could no longer hold back her question.
"Nothing much, just a little trick. It looks like using it for artifact refining shouldn't be much of a problem," Wang Yu replied calmly. He reached out with one hand, gathered the eight Iron Essence Flying Knives into a stack,