C963 The Martial Saint Blade Technique!

"What is this?"

Looking at the two pitch-black ancient boxes in front of him, Wang Feng's eyes slightly narrowed as he muttered softly.

The two boxes were almost exactly the same. They were engraved with dense and strange patterns that were covered in the traces of time. Although they had been scooped out from the blood pool, they had not been stained by a single drop of blood