The two mortal boys went on their own paths of cultivating immortals because their hometowns were destroyed by immortal cultivators.
Blood Vengeance, experienced the blood sea tempering in a mortal body, and was able to cultivate immortality. After that, he led the Blood Alliance to turn the world of immortality upside down.
Lin Xu, who entered the Taixu Sword Sect with peerless qualifications, rebuilt the order of the world of immortality after experiencing a series of changes.
As for the final outcome of the two...
One of the few books I will follow