Going on from the first rate, the ones that I think are masterpieces, and should be given a read.

Not in any sort of particular order. 
I have added my commentary and reasoning as to why it deserves to be on this list.

Here are also other novels that are not available on novel updates:

Shadow s*ave: A fresh take on normal WN-like worldbuilding, bringing together in my opinion Korean vibes with western fantasy. There is a clear grand theme that the novel is working towards, which is slowly revealed throughout the novel and offers a detective type feeling of awe when a big secret is revealed. The stakes are high, and every reveal feels super grand. The people are real, or at the very least they stick to their characters and motivations. The author describes the feats of the characters extremely well. Like, I feel that MC is a genius, but other characters are absolutely no slouches. I am amazed by the authors ability to describe their supernatural though processes and tactics. I have never read Berserk, but I feel like the author took inspiration from that on how to properly describe a hopeless situation, and still end up coming on top, which happens often. Deserved hype.

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If you have any suggestions on other books that are masterpieces and that I should be ashamed of not having included them? Leave it in the comments!