Di Bang smiled and took a small wooden handle, like a short stick, from inside his trench coat. He gave it a light squeeze.
At once, an invisible ripple spread out in all directions from the little handle, enveloping the compounding room.
"Old Wei, you should know that setting aside the side effects, the efficacy of psychic energy potions mainly comes from stimulating the flesh to generate neural signals, thereby affecting psychic energy and passively strengthening it.
"This involves the soul's stress response. The more often it receives the same stimulation, the weaker the effect becomes on the soul as well."
"Mm. And then? Do you have a way to solve this soul stress response?" Wei He asked doubtfully.
"I don't. But someone does." Di Bang smiled. "Old Wei, I trust your skills, but... I don't know whether I can trust you completely."
"...Trust me?" Wei He fell silent.
"We need to make a guarantee. What do you think?" Di Bang said softly.
"Use the Fusion Spirit Art as the price of a contract. Make a guarantee." He extended one hand.
The Fusion Spirit Art required both parties to voluntarily offer up a portion of their psychic energy, exchange imprints, and release the spirit art at the same time.
This allowed them to reach a certain agreement.
And once either side broke that agreement, they would face permanent damage to their psychic energy, with the risk of incomplete spiritual power.
"What ratio?" Wei He asked. The higher the agreed-upon proportion of psychic energy, the heavier the price after breaking the contract. In serious cases, death would come in an instant.
"Fifty percent!" Di Bang said seriously.
Fifty percent.
That was practically tying the two of them to the same boat. Once the contract was broken, the party who broke it