Sci-fi books where everything comes together
I have searched with AI and on Reddit, but don’t succeed. Most results mainly give good suggestions with plot twists, not grand conclusions. I’m looking for a sci-fi book / series where everything comes together in a satisfying way in the conclusion of the book. Where you say, wow, nearly everything makes sense now. WOW
I love most sci-fi stories, and I also love endings that leave things to the imagination (such as rendezvous with Rama, 2001, or deaths end etc). But some books raise so many questions and open such cool threads, but leave them largely unanswered. The revelation space (in particular absolution gap) series is an example where I was really expecting a mindboggling end, but nothing happened.
I really have not encountered such a sci fi book yet, although Dark Forest comes close or the awesome endings of the red rising series (but those are mainly awesome cliffhangers).
Any tips?