Based on Goode's over-excited explanation, Yang Ling finally understood what the so-called Crystal Marrow was all about.

As it turned out, it was said that when a huge amount of high-grade crystal came together and accumulated for some time, it might produce a Crystal Diamond; when a crystal mine had produced a number of Crystal Diamonds after many years, the large amount of cosmic energy absorbed might have finally caused them to produce a rare Crystal Marrow.

According to legend, the Crystal Marrow had properties that greatly enhanced the physical capabilities of the human body. Just one drop was enough for a beginner knight to defeat a Great Swordsman, or even a beginner Sword Saint. According to legend, the Crystal Marrow could also greatly enhance a human's magical powers. Just one drop was enough for a magical apprentice to defeat a great spellcaster, or even a beginner magic tutor. According to legend...

If Crystal Diamonds were the stuff of magicians' dreams, Crystal Marrow