You can rush the Path of Exile 2 campaign and still reach maps, sure, but in patch 0.5.0 you'll feel the cost pretty quickly. A few missed side bosses or quest objects can mean fewer passives, weaker defences, and less room to run Spirit-based skills. That matters just as much as gear or Path of Exile 2 Currency when you're trying to smooth out a build during the middle acts. Quick campaign...