Catwoman could indeed use her Nen ability to revive herself. Unfortunately, this Nen ability, known as Black Star Dance, restored injuries rather slowly—and that was under the condition that Catwoman remained completely focused.
Now that Catwoman had been decapitated and her heart had nearly been cut open, coupled with Su Xiao's threat, it was impossible for her to sew her head and heart back together.
Catwoman released the head in her hand. Before it hit the ground, she had already charged at Su Xiao. This was the only belief remaining to Catwoman after being decapitated: kill Su Xiao.
Losing her head meant more than simply losing her vision and senses. She would also lose the ability to think and make judgments during battle.
Against Catwoman in this state, Su Xiao had no intention of fighting her head-on. His opponent was now merely a puppet on strings. No matter how strong her vitality was, her bodily functions would rapidly decline after losing her head and heart.
Su Xiao leaped backward. Catwoman's sharp fingertips grazed past his ear as Su Xiao swung his long blade sideways.
The blade sliced through skin and muscle, spraying blue blood into the air. One of Catwoman's arms was severed.
Su Xiao bent his body and kicked Catwoman directly in the lower abdomen.
Bang!
Catwoman's body bent sharply, then flew backward and crashed into the stone wall with a rumble. Most of her body was embedded in it.
Blue Steel Shadow energy entered Catwoman's body. The Black Star Dance above her twisted violently, nearly dispersing.
Sizzle~
Boundary Severing Thread wrapped tightly around Catwoman. She struggled to stand, but she no longer had the strength to break free of Boundary Severing Thread's restraint.
About two minutes later, the Nen within Catwoman rapidly weakened. The Black Star Dance above