Their staying in the Little World was undoubtedly for the sake of their Sects and Family.
However, this didn't mean that they were utterly indifferent to the present situation, completely detached.
Take, for example, the Federation mentioned by the Old Man, and the first comprehensive martial deployment of the Human Race.
In other words, the Old Man might know about the powerful figures behind these movements.
And perhaps he even participated in the early planning of these external situations, contributing his thoughts for the stability of the outside world.
But what kind of existence was that ancient Earth, that unprecedented Federation, to possess such tremendous energy to lead the entire Human Race?
Although the Old Man spent most of his time secluded in the Book Collection Pavilion, no one dared to harbor the slightest doubt towards him.
Simply put, he had the strength.
