The Dan Ding Shop.
"I have the formula for the Marrow-Washing Pill, but everything comes at a price. I imagine you understand that."
Xu Tong spoke as he looked at the old man.
The old man was looking at Xu Tong as well.
Under ordinary circumstances, if someone possessed the formula for the Marrow-Washing Pill, he certainly would not have asked so politely.
Even though his temperament was among the milder ones among cultivators, the essence of this world was still that the strong devoured the weak.
What was more, he had just broken through today and entered the Immortal Realm. Within this mortal dynasty, he was already an undisputed king.
Apart from those few old families in the Wei Dynasty, no one else had reached his realm.
But today, when he saw Xu Tong, a voice in his heart told him that this was someone he must not provoke.
He could not see through Xu Tong's cultivation. The man looked like an ordinary mortal.
But if he truly believed Xu Tong was a mortal, he would be one step away from death.
"What do you want?"
The old man's gaze burned with eagerness, but he had no thoughts of seizing it by force.
If Xu Tong wanted something he could offer in trade, he would certainly choose to do so.
Of all his disciples, Geng Shu was the only one who still remained by his side. Although her talent for cultivation was poor, he was very fond of her.
Above all, she was the disciple who had stayed beside him in the final moments of his life.
One could say that, aside from his cultivation, Geng Shu had already learned all his alchemy techniques.
If possible, he naturally wanted to help his disciple resolve this problem.
He had a