I just wanted to say the story isn't rushed it is just writing style and flow of it. Also slow updates do make ur skin crawl. There are loopholes here but unless we know the background of the bead we won't how he was able to learn everything quickly or demon thing so just keep in mind the flow style of this manwha seems to be serving us potholes first then telling us to wait as they fill the plot holes and give explanation for it.
I just wanted to say the story isn't rushed it is just writing style and flow of it. Also slow updates do make ur skin crawl. There are loopholes here but unless we know the background of the bead we won't how he was able to learn everything quickly or demon thing so just keep in mind the flow style of this manwha seems to be serving us potholes first then telling us to wait as they fill the plot holes and give explanation for it.