Hei Huang squinted his eyes, took the gourd, and opened its stopper, releasing a purple gas.
"This is the poison I extracted from Bonan. He was injured by a sea snake. Take a look and see if there's any problem."
Xu Hei briefly explained Bonan's situation.
Hei Huang said nothing, walked to the seaside, and stopped the island.
Hei Huang raised the gourd, and a wisp of purple gas flew out, falling into the sea.
Even though it was just a wisp, the color of the seawater visibly darkened.
The poison quickly spread, forming an arc. Wherever it passed, seaweed withered, and small fish and shrimp died instantly.
The dark area spread faster, soon reaching a thousand feet.
"Stop it now!" Xu Hei shouted.
Hei Huang waved his hand, injecting a surge of powerful True Qi into the seawater, forcing the trace of poison out, and it quickly evaporated, restoring the seawater to normal.
Xu Hei's face changed drastically and he said, "What kind of poison is this, spreading so quickly, and this is just a small drop!"
No wonder Bonan dared not enter the seawater. If the poison were to spread, the entire Dolphin Clan would be in grave danger. This is no exaggeration!
At the same time, Xu Hei discovered the method to counteract this poison.
It was to use more powerful True Qi to force the poison out of the water, where it couldn't spread in the air and would slowly dissipate.
This was also why Bonan sealed himself in a dry room.
A question arose in Xu Hei's mind—was this really the poison of a sea snake?
"Indeed, it's the work of the evil sect!" Hei Huang's eyes flashed with ferocity.
How could such a strange poison be naturally occurring? It was cultivated by evil sect cultivators.
Han Te watched with his heart pounding and said, "What is this thing? I'm timid, don't scare me."
Hei Huang tossed the Ten Thousand Poison Gourd to Xu Hei and said, "It's best not to use this poison in water. Although it's a rootless poison and will disappear quickly, if a strong person gets hit, it becomes a rooted poison, spreading infinitely with endless consequences."
Xu Hei took the gourd and nodded, "I understand what you mean."
Rootless poison refers to the bit he released from the gourd, which would disappear over time.
Rooted poison refers to when a creature is poisoned and becomes the source, continuously releasing toxins until the creature dies.
Hei Huang's expression turned exceptionally serious, raising questions in Xu Hei's mind, prompting him to ask, "Do you have some grudge with that evil sect?"
"Mind your own business, kid." Hei Huang replied.
"You!" Xu Hei's face darkened, almost biting back.
Han Te chimed in, "I'm an adult, I can ask, right?"
"You too!" Hei Huang said.
Next, Hei Huang controlled the Mountain-moving Patriarch, who in turn controlled the island, heading north.
Before long, they arrived at a shallow sea area filled with reefs, where they stopped the island, letting it take root.
After inquiring about Xu Bai's location, Xu Hei returned to his cave dwelling to cultivate in seclusion.
Han Te also returned to his cave dwelling to train.
As for the pavilion gifted by Tianji Shangren, he didn't even glance at it, so naturally, Hei Huang took it over.
During this seclusion, Xu Hei spent only half a day successfully opening the first dragon vein.
A loud dragon roar echoed within Xu Hei's body. A crystalline meridian appeared, winding from the dragon's head to its tail, encircling the Golden Core like a meandering true dragon, far surpassing ordinary meridians in both toughness and strength.
Xu Hei felt that even someone a whole realm higher couldn't destroy this meridian.
"With the first dragon vein, using the Diamond Suppression Technique will be much easier," Xu Hei thought.
Compressing True Qi puts a huge burden on the meridians. His previous severe injury had left his meridians shattered, still not fully healed.
With the dragon vein sharing the pressure, he wouldn't be as helpless as last time.
With the first dragon vein opened, Xu Hei's cultivation level increased significantly, reaching the mid-stage of the early demon core.
Half the time had passed, and he needed to return to the Dolphin Clan.
Xu Hei glanced back at the pavilion, shook his head, and sighed, "The old dog is very secretive about his matters. That evil sect must be deeply connected to him, better not to ask."
Xu Hei noted the island's location, flashed into the seawater, and swam towards the Dolphin Clan.
On the way, he released an External Incarnation to the place where he had previously poisoned, finding the seawater normal and no sea beasts poisoned, he breathed a sigh of relief.
"Strange, why did I send an incarnation here? This is a risky move."
Xu Hei shook his head, quickly withdrawing the incarnation to a deserted place before detonating it.
Xu Hei noticed subtle changes in his behavior since forming his core, even he wasn't fully aware of them.
The journey was smooth.
Before long, Xu Hei returned to the Dolphin Clan. He didn't enter directly but circled a few times before going in.
Since it was late at night, only the clan leader and a few members noticed Xu Hei's arrival.
Xu Hei said nothing and went straight to the dolphin palace, arriving at Bonan's seclusion place.
This time, Bonan was exceptionally cooperative.
Xu Hei used three Purifying Lotus petals, spending two hours to expel the poison, with the Ten Thousand Poison Gourd absorbing it eight times before it was done.
Bonan was exhausted, drenched in sweat, nearly collapsing, and had visibly lost weight.
Xu Hei didn't leave, temporarily staying with the Dolphin Clan.
Three days later, he used the same method to expel the poison from Bonan again, completely depleting the Purifying Lotus petals.
This time, Bonan finally expelled ninety percent of the toxins.
Bonan let out a long breath. Three detoxifications nearly cost him half his life, but it was worth it. The stubborn poison was reduced to ten percent, and he could suppress it with his own strength without external help.
"Words can't express my gratitude. From now on, as long as Xu Hei asks, I, Bonan, will do anything, even at the cost of my life!"
Bonan stood up to give a grand salute, but Xu Hei quickly stopped him.
"This poison ignores antidote pills and can only be expelled through one's cultivation. What I did was merely assist," Xu Hei said.
Bonan knew Xu Hei was being modest. Without the ancient Spirit Medicine and Xu Hei's help, he could never have detoxified himself and might have died here.
And if he died, without a Demon Infant Stage cultivator, the fate of the Dolphin Clan was unimaginable.
Clan leader Bo Xi, upon hearing the news, was moved to tears, crying on the spot.
Xu Hei took out some pills and handed them over.
"These pills are made by a friend of mine and can help you completely rid the remaining stubborn poison, but they might have some side effects. I suggest taking them when you're at full strength."
Xu Hei said solemnly, his expression more serious than ever before.
Bonan took the pills, glanced at them, and seeing they were third-tier pills, he smiled slightly. Xu Hei said, "I'm not joking, I'm serious."