Western Green Valley, 300 meters underground.
Inside the mother nest, everything was pitch-black.
Black worms writhed everywhere, densely packed like a tide surging in from all directions.
The air was thick with a nauseating stench, along with fine white eggs that could burrow into the lungs with a single breath.
Leorio stood in the center of the mother nest.
A pale golden Xiewei barrier enveloped his entire body.
The moment the worms touched the barrier, they were purified into puddles of black water.
But there were too many worms to kill. They kept pouring from every passage without end.
He had already been bitten several times. Black venom seeped from the wounds into his body, only to be forced out bit by bit with Nen.
His arms and legs were covered in corroded wounds.
"Damn it... How many of these things are there?!"
Leorio cursed as Nen burst from his palm.
Breath Essence: Benevolent Healing Domain instantly spread out.
A golden barrier expanded from his body, covering the entire mother-nest hall.
Wherever the barrier passed, worms turned into black water by the thousands. The eggs in the air were utterly purified, and even the slime coating the walls evaporated.
This was a technique he had comprehended at Flavor Breath Ancient Zen Monastery.
It was no longer simple healing.
It used the purest Xiewei Nen to form a domain of purification.
Any evil creature, parasite, plague, or toxin enveloped by the domain would gradually be purified and dissolved.
But the Myriad-Erosion Insect Mother had hidden itself too deeply.
He had been fighting his way into the mother nest for nearly an hour.
He had cleared out wave after wave of worms and destroyed one egg chamber after another.
Yet the Insect Mother's true body had never appeared.
It had only sent