I liked the chapter, out of 10 i would give it a 7.5/8.
But im kinda disappointed for the flashback's length. Really. You make your audience hyped for 150 chapters and then you give to those poor souls 3 rushed pages? He introduced Rocks and God Valley before the second act just to cut everything for an hypotethic future reveal. I didn't expect a God Valley full fight of course, but at least some interaction between Rocks members, or a captain face reveal, but nothing. I don't really know what will happen to Kaido or if we're going to more about his past, but i guess the rocks part was cut because it's important for the main plot. And who the hell could tell us those events? Teach was just a kid, maybe he knew Xebec idk, but 100% he wasn't in the rocks.
The rest of the chapter is good i guess. Now let's see what hapens...