beta
It's not chap80 but the current chapter of webtoon is chap 70. Here's the link.
https://booktoki347.com/novel/1954866/%EC%9C%A0%EC%96%B8-%EB%95%8C%EB%AC%B8%EC%97%90-%EC%A3%BD%EB%8A%94-%EA%B1%B4-%EC%9E%A0%EA%B9%90-%EB%AF%B8%EB%A4%98%EC%8A%B5%EB%8B%88%EB%8B%A4-77-%ED%99%94