Yes, it is. If you are a fan of the story, having a physical copy gives you a different reading experience. You can hold it, flip through the pages, and it can be a great addition to your book collection.
ORV is classified as a manhwa. It has managed to create a devoted fan base due to its combination of exciting narrative and visually appealing graphics.
ORV is a novel. It has a rich and elaborate narrative that is characteristic of the novel genre. There might be plans or fan-made webtoon versions, but the original and official form is a novel.
I'm not entirely sure as 'orv' could stand for many things. It might be a very specific or niche online novel. Maybe it's about a unique fictional world, with interesting characters and a complex plot.
Yes, it can be a bit difficult. The story has complex world - building and a large cast of characters. But if you start slowly and make a note of the important details, it gets easier.