In the days that followed, Jiang Yun dripped a drop of Elixir Essence onto the Demon Emperor's Sacred Heart every few days.
Relying on the dense blood qi emitted by the Demon Emperor's Sacred Heart to cultivate, his physical body improved at a visible rate.
It grew increasingly crystalline and translucent, while his bones seemed to have been transformed into jade, radiating a warm glow.
Only about nine drops of the previous Elixir Essence remained. At first, three drops of Elixir Essence were needed before the Demon Emperor's Sacred Heart would provide nourishment in return.
Later, as the Demon Emperor's Sacred Heart gradually recovered, absorbing a single drop of Elixir Essence was enough to produce an obvious response.
In addition, nourished by Jiang Yun's Life Spring, it would provide a return of energy once every month even without consuming Elixir Essence.
If he had a sufficient supply of Elixir Essence, Jiang Yun even felt that he could use the Demon Emperor's Sacred Heart to raise his physical body to an unimaginable level.
However, if that were the case, the required Elixir Essence would probably have to come from at least seven or eight Immortal Elixirs. It was simply impossible.
That day, Jiang Yun was still cultivating beneath the Ten-Thousand-Year Peachwood. A breeze passed, and the scorching blood qi gradually dispersed.
The amount of water in the Jade Pool inside the Peach Garden had visibly decreased day by day, all of it evaporated by Jiang Yun's blazing blood qi.
Yet even with such a tremendous improvement, he still had not achieved a complete transformation and comprehensive breakthrough.
Jiang Yun's physical body had undergone multiple transformations, and he wanted to improve it again.
That could not be accomplished through a few washings of his qi and blood. He needed at least a