is there a novel for this?.

I’m not sure but here’s a link to more English chapters https://www.manga-raw.club/reader/en/silver-demon-king-chapter-6-eng-li/

Um at the moment it’s only up to chapter 8

Also if you're wondering, here's the raws: https://newtoki91.com/webtoon/7282558/%EC%9D%80%EB%B9%9B%EB%A7%88%EA%B3%84%EC%99%95?stx=%EC%9D%80%EB%B9%9B%EB%A7%88%EA%B3%84%EC%99%95

Currently there are 16 chapters