The spiritual power contained within this Spiritual Spring is simply unimaginable, it's impossible to calculate just how much there is.
Even with the limitless appetite of the Battle Dragon Technique, it would be enough to satisfy it.
At the sight of this Spiritual Spring, even a Saint, or a supreme Ancestor, regardless of their identity, would most likely be unable to resist claiming it for themselves.
But Chu Fengmian also understands that this Spiritual Spring is far from something he can occupy right now.
Not to mention the vastness of this Spiritual Spring, even if Chu Fengmian attempted to take it now, he wouldn't be able to do so.
The restrictions on this Spiritual Spring already prove that someone has discovered it.
There are at least five supreme Ancestors of the Immortal Realm guarding it.
Any supreme Ancestor of the Immortal Realm could kill Chu Fengmian with ease.
Not to mention five of them.