I only watch the anime and I've read some of the wiki and learning that there are multiple parts to the series and not just one Soul Land was interesting to say the least. And reading about Gods and the Universe around it was a bit confusing since I didn't read any light novel or manhua. I don't plan to read any material since I'm not a person that into reading, I only watch stuff. Been watching the anime for years now and I feel like I'm so attached to Tang San as a character that if/when the anime get to part II, III, etc (which at this rate it will be a few years lol), that I will miss him. I understand that he will appear more or less later, but the reason that I'm into this series in the first place is him. It's cool that the other parts are about like his kids and grandkids, but I'm like a Tang San irl worshipper lmao. The fact that the time gap between each part is so huge, like 10,000 years, was mind blowing to me. All of this is just what I'm feeling right now, I understand ppl say that other parts are really good and they're just like a different story that you can just jump into x part without reading x part. I guess the only way to find out if I'll like other parts is when it come out.