Thriller Bark:
*some comedy,New Straw Hat,Nami taking a bath,Zoro vs Zombie Ryuma,everyone vs Oars fight,Kuma showing up and Zoro's "nothing happened moment".
Wano:
*Rocks reveal,Big Mom and Kaido alliance,Oden/Roger/WhiteBeard flashback,Rooftop fight,a shit ton of side characters with backstory,New Straw Hats(Jinbe and Yamato),Supernova vs Yonko,CP0,Ace flashback,Straw Hats vs Beast Pirates,Luffy vs Kaido and Law&Kidd vs Big Mom and much more to come and things i forgot.Wano has bad pacing,but it has a lot more to offer.
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To make my final judgement i would need to wait for the anime to animate Wano arc and watch it all in one go,because that is how i watched all of OP pre-skip arcs.