Ten Spirit Marrows Are Not Expensive, Right? (3)

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.