In fact, the vast majority of evolvers practice many other evolutionary paths in addition to their own.
The evolutionary paths in the world are as vast as the sea of clouds, and each has its own focus, advantages, and disadvantages; if one only cultivates a single evolutionary path, it's very easy to be targeted by enemies.
Of course, while one may practice several, an evolver's core evolutionary path is only one.
That is the one that perfectly combines with one's soul before entering the Sixth Rank.
The other evolutionary paths practiced are just supplementary, similar to secret techniques and laws, used to improve one's ability to face unexpected situations.
"Let's see what secrets the Xuanhuang Secret Realm holds."
Lin Yuan, now an Eighth Layer citizen and an evolutionary scholar, had terrifyingly high authority; within mere moments, he searched for and found the introduction to the Xuanhuang Secret Realm within human civilization.