As for cultivating Spiritual Power, Xu Yuan had originally planned to develop a cultivation method for it.
Unfortunately, he had only developed a few techniques back when his Spiritual Power was still constrained by his physique. Now that constraint had been lifted, Xu Yuan's Spiritual Power cultivation techniques were effectively obsolete.
"Ten thousand years ago, Soul Masters were still rather lost when it came to cultivating Spiritual Power. Even Soul Masters with Mental Attribute Martial Souls mostly relied on their Martial Souls' innate characteristics, increasing their Spiritual Power while cultivating Soul Power," Mu Ye began explaining. "But the Tang Sect was an exception. The Tang Sect had an eye-training method called the Purple Demon Eyes. While training the eyes, one also cultivated Spiritual Power. It was considered the continent's earliest Spiritual Power cultivation method."
Xu Yuan naturally knew all this. He also knew that the Purple Demon Eyes had been secretly learned by a certain someone from another world.
"Spiritual Power has always been a profound field. Even now, if a Soul Master's Spiritual Power suffers severe damage, it is difficult to treat. The Soul Master world is still in the exploratory stage when it comes to cultivating Spiritual Power."
"The emergence of Soul Spirits greatly accelerated that process of exploration."
"Soul Spirits?" Xu Yuan was surprised. He had not expected Spiritual Power cultivation to be connected to Soul Spirits.
But he quickly understood. He had reflected on this before as well. With Soul Spirits, once a Soul Master's Spiritual Power reached one hundred points, they could use the connection between their Soul Spirit and Sea of Spirit to sense and communicate with their Sea of Spirit.
Ten thousand years ago, one hundred points might still have been the minimum threshold for sensing the Sea of Spirit, but for most