"Much of it is knowledge that has already become obsolete," Mureya put down the metallic book in his hand and helplessly shook his head amidst the vast library, "However, they can still serve as references and possess great research value."
"Mureya..." Standing next to Mureya, the middle-aged mage-shaped Tower Spirit was about to speak, but paused. Even though it had submitted to Mureya under his strong persuasion and gave him the power to control the semi plane, it still felt somewhat uneasy addressing him as master.
"Just address me as my followers do." Mureya glanced at the Tower Spirit, which was more human-like than humans themselves. "You don't need to call me master."
"Prince Mureya, after such a long time, some of the knowledge my former master had is bound to have become outdated and obsolete."