it's only starting, or rather the important part will start soon
This ending is far from how Oda would handle a real ending of a big saga like this, and it's rather obvious
Oda seems to be separating and grouping all different factions, samurai will head to the castle, SHs are with Yamato, and I suppose SN will get their own chapter next week
Samurai plot will take a big turn soon, Zoro plotline will take its course and SHs will be busy with that
the arc will end with ending Act 3, Wich is the act of tragedy