"The three great Yin Kings were contemporaries of the Heavenly Seal Sword Master, powerful beings from a millennium ago.
Even the wielders of the Thirteen Swords of Tianxi, the cultivators of the Taixuan Nine Classics, or any member of the Hall of Ten Treasures would have to respectfully address the Central Netherworld Yin King as their senior.
In terms of strength or seniority, the three great Yin Kings were indeed worthy of such respect.
Thus, even though Crown Prince Ying Xiu was the sole heir to the throne in the You Dynasty, in terms of status and identity, any of the Yin Kings would still surpass him.
Within the Dynasty, everyone knew that Crown Prince Ying Xiu had three wishes in his life.
His first wish was for his parents to resolve their differences, to gain his father's approval for the path he had taken, and to return to Tianxi one day.
