There was once an enormous family that obtained the rarest mystical art underneath the heavens.
It was just that it was impossible for one person to complete cultivating this mystical art at the beginning. The mystical art needed two people to cultivate separately, with each person cultivating half of it.
It was best for the cultivators to be two brothers.
When the time was appropriate, one person would transfuse his internal art to the other person's body, combining together to form the complete cultivation technique.
And so, one of the two would become the other person's human cauldron.
Only one cultivator would know of this matter out of the two. The little brother that acted as the human cauldron from the very beginning wouldn't know.
