Shen Fei seized that instant. The Demon Beast was staggering, its forelegs weakening. The old wound on its right foreleg joint had torn open again when it stumbled, and blood and fire poured out together.
He charged in from the side, channeling all the Spiritual Power of the Dark Prison Reincarnation Art into the Blade Forelimbs on his arms. Black mist churned along their edges, thicker and heavier than before.
He rushed up beside the Demon Beast's right foreleg, aimed at the gap in its joint, and slashed down with all his strength.
This time, the blade severed the last connecting tendons. Dark red blood sprayed out, splashing his face and chest, scalding hot.
The Demon Beast's right foreleg lost all ability to support it. Its knee buckled, and its enormous body toppled to the right.
It barely held itself up on three legs, struggling to rise, but Shen Fei gave it no chance.
Xiao Ning'er charged in as well. She flew to the Demon Beast's left side and condensed one final Thunder Spear in her palm. She had already expended over seventy percent of her Spiritual Power, and this spear consumed most of what remained.
The Thunder Spear blazed with dazzling white light as it pierced the Demon Beast beneath its ribs from the side, slipping through a gap between its scales and plunging into its organs.
Lightning exploded inside the wound. The Demon Beast let out a muffled, hoarse roar, and its body convulsed violently.
Shen Fei leaped onto the Demon Beast's back from the right. Stepping into the gaps between its scales, he rushed to the back of its neck in a few strides, raised both Blade Forelimbs, and chopped down with all his strength at the very center of its spine.
The blades sliced through its