>>716281993 (OP)Dark Urge.
Or search for some mods that interest you and make a bunch of differet decisions on your next playthrough.
First playthrough I went out of my way to see as much content as humanly possible, save as many people in hopes of them reappearing later.
Second playthrough I did a Gith Necromancy Wizard going out of my way to be as much of an asshole as possible to see how much the game changes. Act 2 is suprisingly decent when siding with the Absolutists.