[PATREON Content of the Day! - May 7]

Oh neat. Interesting that both of Joseph's kids had the same "illness", but he's actually strong enough to use a stand.

rohan is so fine shyt

Rohan stand is considering to be pretty broken compared to other stands but there are others in the manga that are more broken.

Im glad you're really enjoying this part, I promise it only gets better

The OP doesn't really have any spoilers but it will likely give you hints regarding the appearance of upcoming characters and sometimes their roles in the story... if you want to be 100% safe you could wait til episode 23. By then it won't show you anything or hint at anything you didn't see already.

Part 4 only gets better from here on out, the first half is the slow half of the part. Also you're right to think Rohan Kishibe is broken, he's basically melee-range Light Yagami. If it wasn't for hairdo rage we would have never won, I genuinely think he could give Jotaro a run for his money.

S city a reference to Araki's hometown Sendai. This manga creator has the same hometown as the JoJo creator.

i feel like you can watch the op in episode 18!

like said below if you dont want to see what the new characters look like then skip it until episode 23

The OP is safe to watch. Anything that can even remotely be considered a spoiler needs the context you wouldn’t have without watching the show. It’s like Specialz from JJK season 2. It shows Nobara covering her left eye, but you wouldn’t understand that it’s a “spoiler” until after watching the episode.