The old man closed his eyes and said lightly, "This scroll records more than a dozen basic formations, including the Spirit Gathering Array used for cultivation and formations for defense against enemies."
He seemed to have guessed that Xu Wendong did not trust him and added, "I am known as the Hermit of Green Mountain in the cultivation realm, and I am moderately famous. I would not engage in deceitful acts."
Faced with the situation, Xu Wendong decided to take a gamble, "Very well, I happen to have a Tongxin Grass in my hand. Let us trade it for the scroll." As he spoke, a completely green Tongxin Grass appeared in his hand. This was a rare herb that could be refined into a Tongxin Pill.
The Tongxin Pill's function was to help Foundation Establishment Cultivators better resist Heart Demons during tribulation and Solidifying Pill.
