If you like Sazed there’s some interesting twists coming for him.

For Vin you come to realize she’s less of a hero and more a pawn in various groups using her winning the genetic lottery.

Now… if you like characters that struggle with trauma. Way of Kings has a very troubled protagonist.

But yeah. As for sci-fi (especially ones that can span years) you might like Alastair Reynolds Revelation Space series.

Any good sci-fi suggestions?