Knowledge was power. Over these three days in Water-Moon Grotto, Fang Yu had demonstrated that phrase to the fullest.
During these three days in Water-Moon Grotto, every book, sea of books, mountain of books, and lake of books he passed by and read became his strength.
Of course, there were also the book demons. Without exception, every one of them had been devoured by him.
He absorbed every bit of knowledge contained within them, leaving not a trace behind.
Then, that knowledge became his strength as well.
His strength had now reached a peak—of course, the completion and peak of the Ancestor Immortal realm.
If he wished to advance further, he would need at least a hundred, perhaps even several hundred King-rank spirit veins.
And he felt that this was not yet his limit.
He could still gain even greater power in the Blood Trial of the Primordial Ruins.
And that power was no longer something books could provide. He needed other Ancestor Immortals.
The best choice was Great Unity Sect.
Thus, with the three days up, he chose to leave Water-Moon Grotto.
The moment he left Water-Moon Grotto, he encountered the two Origin Immortal elders guarding its entrance. The instant he saw them, he spoke.
"Elders, all the book demons in Water-Moon Grotto have been slain by me. You can give me my reward now, can't you? I am heading to the Blood Trial in the Primordial Ruins, and those rewards will still be somewhat useful to me."
With that, Fang Yu held out his hand to demand the rewards.
At Fang Yu's gesture, the two Eclosion Sect Origin Immortal elders exchanged glances before speaking again.
"Li Feiyu, well, you certainly will not be denied those rewards. However, we must first enter Water-Moon Grotto and inspect the situation before