Besides these, Xiao Heng also found many precious Artifact Refining materials in the treasure vault, some bones, and various natural treasures. Quite a few of them could even rival Heaven's Flames.
He even found a source of Wood Attribute energy. Unfortunately, its grade was a little too low—compared to his current standards, that was. In truth, its quality was higher than the Earthcore he had obtained before. If Little Grass had not made him that promise, he would probably have refined it immediately.
Lastly, there was that coffin. Anything placed in the deepest part of the treasure vault should not be ordinary, but Xiao Heng had yet to uncover its secrets.
The coffin seemed like wood, yet not wood; like metal, yet not metal; nor was it stone. It resembled jade stained with blood and ink, yet it was not jade. Extremely profound runes covered its surface, and a ferocious beast's head was carved upon its lid, making for a terrifying sight.
Xiao Heng opened the coffin, expecting to find something inside. Yet it was completely empty. He poured Dou Qi into it, and the coffin did accept the infusion, but perhaps because he had not supplied enough, it still showed no change.
The Dou Qi Xiao Heng had poured in was like a drop of water falling into the sea. It still existed, but he could neither find nor see it, much less retrieve it.
Puzzled, Xiao Heng could only turn to Little Grass.
With a single glance, Little Grass understood what he meant. He slowly walked over to the coffin, inspected it, and said, "This thing... counts as something good, I suppose!"
"The materials used to make it are decent, though the craftsmanship was deliberately crude. Still, this thing may have once buried someone rather powerful..."
"Big brother!