Cultivating the Path of Heavenly Secrets allowed one to explore many secrets through the River of Destiny, yet it did not grant one absolute omniscience.
It is important to note that although he reached True Immortal status through the Path of Heavenly Secrets, among the Innate Gods and Demons were those born from destiny itself. If they truly conspired, it was not impossible for them to deceive Master Tianji.
Therefore, once Master Tianji confirmed the traces of the Innate Gods and Demons, he did not interact with them or sense their presence in this realm and thus completely set aside the matter.
In response to this explanation, the other True Immortals pondered briefly and accepted the answer, opting not to delve further.
