The diplomatic approach to Chapter 2 of Baldur's Gate 3 involves walking the line between the Harpers at Last Light Inn and the Absolute Cultists at Moonrise Towers. Getting into the necromancer Balthazar's room on the second floor is a good step toward making your time in the Shadow Cursed Lands bearable.
Baldur's Gate 3: How To Solve Balthazar's Chambers Bookcase Puzzle
This Baldur's Gate 3 guide covers how to solve the bookcase puzzle in Balthazar's chambers in Moonrise Towers.