The box was not large, only about as tall as an ordinary person's forearm.
It was crimson gold all over, forged from some unknown treasure.
At the very top of the box was a conspicuous emblem.
The emblem consisted of three wavy lines and a full moon, like a bright moon hanging high in the heavens and illuminating a jade-blue sea.
At the sight of that emblem, Jiang Chuan recalled what Wu Jing had taught in class.
"This is the emblem of the North Sea Realm. The Sparrow Demon King actually has ties with the North Sea Realm!"
As Jiang Chuan muttered to himself, he recalled what he had seen in Qu Shi's office, as well as the Sparrow Demon King's astonishing ability to deploy troops.
"Could it be that the North Sea Realm had been secretly helping the Sparrow Demon King deal with the humans allied with the Cangwu Realm from the very beginning?! Could the Sparrow Demon King's retreat have been a trap?!"
Torrential waves surged in Jiang Chuan's heart.
"No, I have to get back quickly and report this!"
He had slaughtered the Sparrow Demon King's offspring. If the Sparrow Demon King really returned with demon immortals from the North Sea Realm...
Death would absolutely be the best possible outcome for him!
Jiang Chuan set down his backpack, preparing to put the crimson-gold box inside.
But driven by curiosity, he opened the crimson-gold box first.
"Since this box was in the Sparrow Demon King's lair, it was most likely a treasure gifted by a demon immortal from the North Sea Realm to win over the Sparrow Demon King. I wonder what's inside?"
When he opened the crimson-gold box, the treasure before his eyes left Jiang Chuan somewhat dumbfounded.
A piece of black wood as thick as a