"But now that I'm a spirit body..."
"My old Blood Qi martial arts are actually of little use."
Nara Dan examined the workings of his spirit body.
The blood vessels seemed to flow as usual, but what coursed through them was merely something formed from Reishi.
Without the Five Elements foundation of the internal organs, the regenerative power of bone marrow, or the circulation of Blood Qi through the cells, how could he control and strengthen his Blood Qi?
And the Yang-style martial arts that relied on Blood Qi might even repel or harm a spirit body.
How could he possibly keep practicing them?
"On the other hand, the Might Family's extreme physical training seems much more useful for a spirit body's growth..."
"That's because a spirit body's physical exertion consumes Spiritual Power and Reishi."
"As Spiritual Power and Reishi are continually depleted and replenished within the body,"
"the spirit body's density will keep increasing, until it forms tangible Spiritual Pressure."
"That should be what a Captain-level Shinigami is like."
As he thought, Nara Dan continually absorbed the World Tree's Life Essence and the Reishi in Soul Society, replenishing the Spiritual Power he had used up.
"Fortunately, my martial arts cultivation at the level of God-Seeing Indestructibility isn't completely useless..."
"At the very least, I'm better at controlling my spirit body and understanding the principles of physical training, so I can more easily achieve better results."
After trying out a few exercises, Nara Dan quickly worked out how to maximize the strength of his spirit body's Spiritual Pressure.
He figured out how to train, how long to train, and when to rest and recover to achieve the best results.
"In fact, I don't even need to worry about reaching my limits or squeezing out my potential."
Nara Dan thought to