Song Yuansi's face stiffened. "Little brother, you're asking for too much. Martial arts techniques are extremely precious. Every book is the foundation of a faction. The Spirit Marrow is also extremely precious. Even my huge Song family only has less than a handful."
Less than a handful? This number was more than Lin Yan had imagined.
A trace of confusion flashed across Lin Yan's eyes. "May I ask where you obtained this Spirit Marrow?"
"Although this is secret information, with your strength, there's no harm in knowing.
"Every year and a half, a few strange ferocious beasts will suddenly appear in the depths of the Guangchuan Mountains.
"A tiger with four eyes, a black panther with wings, a bear with horns on its head…
"They have different forms. They are huge and ferocious, as if they have become spirits.