Does rhis have a novel?

Yes it does, search it on google, something will come up in reddit

https://anubisscans.com/novel/immortal-devil-hunter I think chapter 45

https://deroxzone.com/serie/the-artist-who-paints-dungeon
I send the wrong link hahaha, here it is

U can read on Webnovel app, last time I checked it has around 300 chapters of the novel and updates more every week