I, a prison guard in the Heavenly Prison, secretly became invincible thanks to the system.

Chapter 803 Toad Poison

It took Ye Kang quite a while to understand the personality of this senior sister.

In short, they have no sense of boundaries, are very carefree, and seem to have only one mind.

She always says whatever comes to mind, her carefree attitude making people question her intelligence.

He's such a bumbling idiot.

In contrast, the owner of this water palace was completely different.

Lady Qingwei was a gentle and elegant woman, like a well-read lady from a prominent family. She wore a long blue dress and was beautiful and charming. Every smile and frown of hers was like a gentle breeze.

When these two women stood together, Ye Kang even suspected that Lady Qingwei was actually his senior sister.

At this moment, they were drinking in the Water Mansion. Ye Kang told the two of them some interesting stories about his time at the academy, which made Qingwei Niangniang chuckle.

In contrast, the eldest sister waved her hand dismissively, saying, "Junior brother's experiences are too boring. I'm much better off here in this bottomless lake, where I've seen a lot and made many monster friends."

Seeing her serious and disdainful look, Ye Kang couldn't help but want to hit her.

Lady Qingwei said, "How could that be? Brother Ye's experiences are very interesting. I also wish I could make so many friends and go through so many adventures like him. Unfortunately, I am not human, so I will never have that opportunity."

"Sister Qingwei, there's no need to belittle yourself. Although you are a demon, you are not an evil demon. We are all happy to be your friend."

Ye Kang couldn't help but laugh. "Empress Qingwei is the best."

Huixin timidly raised her hand and said, "Yes, we should also thank you for taking care of Senior Sister, otherwise she would definitely not have been able to find her way."

Lady Qingwei covered her mouth and smiled: "Shuangning and I hit it off immediately. A free and easy woman like her is exactly the kind of person I've always wanted to be. It's my blessing to be sisters with her. It's just a pity that she's leaving soon, and I'm a little reluctant to part with her."

She shook her head, her face bitter.

Lan Shuangning sprawled on the futon without any grace, casually waving her hand and saying, "Don't be sad, I will come back. I also want to thank my sister for passing on the message and calling these junior brothers to pick me up."

"It was nothing, no need for thanks. But Shuangning has been here for so long, and I haven't been able to help you break through yet. I'm truly ashamed."

"Breakthroughs are my own business. I can't keep asking you for help. There's no need to feel ashamed. Come on, let's drink!"

Lan Shuangning raised her bowl and drank it down in one gulp.

Although she seemed indifferent, Ye Kang could still see some resentment in her slightly closed eyes.

She must have encountered a bottleneck in her breakthrough.

Ye Kang said, "Senior Sister, have you encountered some problems? Why don't you tell us? Perhaps we can help."

Huixin nodded in agreement: "Yes, yes! Junior Brother Ye's breakthrough is so fast. Half a year ago he was still a Nascent Soul cultivator, and now he's only two Stars away from my cultivation level. He's amazing."

Lan Shuangning laughed heartily: "Thank you for your trouble. It's nothing serious. I just fought with a demon king at the Bottomless Lake and got injured. I recuperated here for a while, but I still have some lingering health issues. This last bit of effort has been held back for quite some time."

"Demon Emperor! Senior Sister, how dare you provoke the Demon Emperor!"

Huixin's face turned pale, as if she had heard something unbelievable.

Although the academy has many geniuses, one must be extremely cautious about challenging those above one's level.

Especially when it comes to Star Luo fighting Nirvana, the gap between them is too big. Just the difference in True Spirit alone can wipe out a large number of geniuses who want to challenge someone of a higher level.

Lan Shuangning said disdainfully, "What does it matter? He's just a shameless toad who has the guts of a leopard, yet he dares to dream of marrying Qingwei. If I hadn't been in my prime back then, I would have skinned him and dried him into toad venom long ago."

"A rascal toad?"

Ye Kang and Hui Xin were completely bewildered.

Qingwei sighed and said, "This is my fault. Who knew that the Painting Demon Emperor came to find me, but I had to go out at the time, leaving only Shuangning to confront him, which led to the great battle. By the time I arrived, Qingwei was already seriously injured."

"What's it to you? It's just that ugly thing overestimating itself. It's clearly a shameless toad, yet it calls itself the 'Master Zhihua,' and dresses like a handsome man. It's utterly disgusting!"

Lan Shuangning became more and more agitated as she spoke, her face flushed with anger, and she rubbed her fists together, as if she wanted to fight again.

Ye Kang, however, gleaned some key insights from them.

The eldest sister, at the peak of the Nine Luminaries realm, is already capable of going toe-to-toe with the Demon Emperor.

Lady Qingwei is a Nirvana Demon Emperor, and Young Master Zhihua probably fell for her beauty and talent, which is why he pursued her so relentlessly.

Furthermore, judging from the bluefish mural in the Water Palace, Lady Qingwei's prototype should be a large bluefish.

Qingwei, Qingwei.

It's rare.

【Ding】

[Mission Issued: Seize the Jade Within the Toad]

[Task Description: The Rascal Toad is a naturally occurring, monstrous species with extremely potent venom. It can only be completely eradicated by consuming the Toad Jade that lives alongside the toad. The Toad Jade is located within the toad's demon core.]

[Task Reward: 1500000 Comprehension Points]

"what!"

The sudden system notification left Ye Kang dumbfounded.

He gathered his thoughts and tentatively asked, "Senior Sister, have you been poisoned by toad venom?"

Lan Shuangning looked at him with some surprise: "Junior Brother has good knowledge. That's right, it's toad poison. Although 99% of it has been removed, the last trace has already adhered to my bone. It was that thing that blocked my breakthrough."

Ye Kang continued, "Is something needed to completely remove it?"

"I don't know. I'm about to go back to the academy to see a teacher who is skilled in medicine."

Ye Kang paused for a moment, then said, "I think the academy probably can't cure the poison either."

"what?"

Everyone frowned and looked at him.

Ye Kang said, "I saw it in an ancient book in the library. The Rascal Toad is a naturally occurring freak. To completely remove the poison, the only way is to kill the toad, take out its demon core, and swallow the jade inside the toad. The toad poison will be cured immediately."

"This is true!"

Qingwei Niangniang reacted the most, standing up abruptly and looking at Ye Kang in disbelief.

As the Demon Queen, she naturally knew her neighbors.

That is none other than the scoundrel Lingchan.

Therefore, she already believed most of Ye Kang's words.

Lan Shuangning also said in a low voice, "So that's how it is. No wonder I couldn't get rid of these toxins no matter what I tried... Well, the one who tied the knot must untie it. Since that's the case, I'll go and kill that bastard and save Qingwei a lot of trouble."

"Absolutely not! This is far too dangerous!"

Lady Qingwei quickly stopped her.

Huixin also stood up and said, "Senior Sister, I think we should go back to find our master and make proper preparations before we can kill the Demon Emperor!"

Lan Shuangning shook her head: "Huixin, you are kind-hearted and your idea is right, but you don't know that there are countless little demons in the Bottomless Lake. No matter what they do, they can't hide it from the demon kings. Once the academy's experts arrive, that cunning toad will definitely dive into the Bottomless Lake without hesitation, and then it will be impossible to catch him."