Glad that he's not a sword user. It's so overdone.

I don't dislike flashback arcs. What I'm questioning is the loss of tempo. When authors do the time reversal thing (or time skip), usually there's a twist. What happened here is that you showed us the end result, Sunny living by himself in the tower, and then you went back to them just arriving on the island. But you didn't provide, at least to me, enough incentive to want to know what happened. The hook is not good enough. You hinted at some crime he did, and because of that, people hate him. But that's kinda the default. It has always been. Everybody dislikes him eventually. I mean, you're the author, you know where the story is supposed to go. And you do whatever you want. But to me, the time skip with a flashback was worse than just normal progression. If this were a full book, I'd skip until we're back to where the flashback started, and I'd skim the rest. Seeing that these are payed chapters, I'll probably skip, and figure out what I skipped from the context.

The story is really interesting. Good worldbuilding, at least for the "other" world. And interesting, clever MC. He is getting more and more power tho, and we're at volume 2 right now, so the OP-ness is really starting to show. He has some significant disadvantages too, so it's somewhat balanced. I really liked the first volume. However, the second volume started really slow, with a ton of flashbacks, and time skips. The story speed, and tempo dropped significantly, and now I have buyers remorse for paying for the chapters in the second volume. It feels like filler, to increase word count.

Anybody have a feeling there's a lot of filler these flashback chapters? Like... just wasting time? We started volume 2 with boring... he's isolated in a castle with no gate. And right when things got a bit interesting, him progressing, we went back to boring, when they got back.

What is going on in this novel. Dungeon arc 1, then school arc 1, then hidden realm arc 1, all mixed and confusing. Now the MC is a blue mage, that can empower himself, and can absorb stats. He is also an enchanter, and can give stats and abilities to other people. On top of all of that, he also has a skill tree that improves his runes. And now he has a powerful beast companion. Chill dude. You can slow down with the abilities. He does not need to have everything before chapter 40. He can grow into his power as the novel progresses. Its absurd how OP he is.

Translation quality is pretty bad. The system seems pretty specific, which is a good thing. I didn't get too far with reading because I kept getting distracted by the translation.

In one of the last chapters, you mentioned how he the MC got frightened by the boy because he was close to it. And that was the special physique of the boy. But this chapter you mention how now the MC has the same physique, and his soul is invisible, and hard to detect. Which one is it? Intimidating or invisible?