This kind of Gu poison, which could withstand an army, was also called the Gu King and could control all Gu worms. It was extremely difficult to nurture the Gu King, and it was rare to see even once in a hundred years. It was filtered through layers of battles between combined-level Gu worms. The Gu worm that survived till the end also needed to be nurtured with blood essence. It could only use the blood essence of one person in its life. If it was successfully nurtured, the Gu King would become a terrifying existence. Of course, if it couldn't be nurtured, it would die from exhaustion. Therefore, many people died halfway through the process.
She had heard that the Lin family was nurturing a Gu King. As for whether they succeeded or not, Xu Qing felt that they didn't. Otherwise, Lin Shu wouldn't be in this situation. Thinking of this, Xu Qing couldn't help but sigh. The future outcome was unpredictable, and the Lin family was an important variable.
