Lind ached all over. The Soul Balm Elixir was derived from the Fiend husks but mostly because he had been trying everything to heal the other puppets in that cursed empire. It had taken centuries to figure it out and another century to make sure he was not making a horrible mistake.
He had forbidden anyone to reveal where it came from back then. Only he could make it as he had access to Celestial Qi. Even in the basic form back then, he found a way to use it in his elixirs.
Later, when he saw Celestials cultivate, he understood he had accidentally stumbled on the cause of his success. They experience the world around them to advance. They refine those experiences with their Qi into themselves to become stronger.
