In the pitch-black cave, Black Sparrow Ancient Immortal and Tian Xinghuo sat on the ground, discussing the "Knowledge Container."
Tian Xinghuo felt uneasy, unable to see the ground beneath him, uncertain if it was dry or muddy. He wore a bitter expression, pulling at the corners of his mouth, furrowing his brows.
Yet he still perked up his ears, listening intently to every word the Ancient Immortal spoke.
"... There are nine paths to Immortal Cultivation, each studying nine different realms.
"Our Immortal Martial studies the human body!
"The Immortal Martial Sequence Six is referred to as the [Master of Hundred Bones], and it requires the study of eight systems of the human body... Oh, in your modern civilization, is this the term you use?
"Hahaha, it fits perfectly.
"Muscular system, nervous system, respiratory system, digestive system, endocrine system, circulatory system..."
