Sword light flashed in Yu Ke's palm.
An invisible magnetic force sprang forth and clung tightly to the grim formation where ten thousand swords rang in unison.
In an instant, swords swarmed through the formation like a rising tide, countless mustard-seed-sized flying blades spiraling out.
Yu Ke raised a hand and gently guided them. The spiritual energy of heaven and earth gathered without cease, becoming more tiny swords that darted through the formation like thousands of swimming fish.
Though the formation was on the verge of being sliced to pieces, the Sword Soul showed no alarm. Instead, he fiercely unleashed another Daoist art.
"So that was the Mustard-Seed Sword you used just now?"
"Good. Then take this move."
A sheet of icy white Sword Qi surged around the Sword Soul. Like a great river flowing backward, it shot straight into the clouds.
The formation, thrown into turmoil by the Mustard-Seed Sword, was forcibly steadied by his overpowering sword intent. Thousands of tiny swords stalled in midair, humming as they trembled.
His hands formed seals at blinding speed as he murmured a sword incantation. Scattered fragments of broken swords gathered around him, layering into a massive sword wheel with runes flashing along its rim.
"Sword Domain: Heaven Prison!"
With a cold shout, the sword wheel spread open into a pure-white Sword Domain several dozen feet across, enveloping Yu Ke and the sky full of Mustard-Seed Swords.
Inside the domain, Sword Qi cut like knives, crushing and shredding everything in its path. Tiny flying swords struck its walls and instantly shattered into specks of spiritual light.
"Interesting," Yu Ke said with a smile. "You've actually trapped my Life-Severing Sword."
He gently pinched his fingers together. The stalled Mustard-Seed Swords accelerated, but rather than strike the walls, they whirled around him like a