
Yes... but why?? why does he want to be strong? just so he can be strong?? Σ(  ̄□ ̄||)
He cultivated a time travel Gu so the plan was all along to time travel. That's like smurfing in a game (when you make a new account and beat up noobs and newbies to buff up your stats lol). He literary be smurfing in real life.... And that's a sure fire way to be the strongest.... but what does he care about that anyway... he was already strong....
Pure guessing but with a rank 6 Gu he must have bean at least rank 6 master, already among the strongest ┑( ̄Д  ̄)┍

Spoiler
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"I was wrong!
I thought that this Fang Yuan was a heartless person or was filled with hatred and rage, that was the reason for his evil actions. But the truth is, he has abundant emotions, he does not lack anything. Even though he pursues strength, he is not obsessed with it. What drives him to do this is his goal. This goal is deeply ingrained in his heart, not only three lifetimes, even after a hundred lifetimes, it cannot be eradicated.
This person cannot be reformed.
LU WEI YIN AFTER FAILING TO REFORM FANG YUAN"
Ahh this is an interesting read, but i wish the mc cared about something... just... anything at all.... revenge? a goal? a specific person to hate? a person to love?maybe?? . ...just something? ( ̄∇ ̄")
Like this a lot of characterization is missing... all the other characters are too shallow and stupid to care about, and the mc just want's to be strong.... so he can be strong ╮( ̄▽ ̄)╭ there's nothing else
... I'm just a little irked that an interesting story is so downgraded by bland characters :/