This person is a Heavenly Patrol Immortal Officer of the Immortal Court, also the enforcer of the Tianyun Immortal City. His duty is to monitor this city, and if anyone mentions events from three million years ago, he will personally obliterate those who break the taboo.
This is not unique to Tianyun Immortal City; the same applies to other regions. This is a rule set by various races and is adhered to by all.
Although this Heavenly Patrol Immortal Officer does not know the history from three million years ago, he has killed countless individuals who breached the taboo. He is aware of the name Ye Xuan, the Undying Venerable.
He has also been very curious about why these words make all races so fearful, to the point of labeling them as untouchable taboos.
However, because of his responsibilities and the immense horror intertwined within, he dares not delve deeper.
