C138 Black eating black

When Murong Xuan flipped to the page where Glottidii Herba s were recorded, a thought suddenly popped into her mind.

The Glottidii Herba could actually refine Purple Marrow Pill, and it was even an essential ingredient of the Purple Marrow Pill!

Amongst the many Pill, the Purple Marrow Pill is the most difficult to refine, it's effects are close to that of a Divine Ranked Pill