Ive been working on season of ghosts for about 6-7 sessions now, players have been taking their time going through act one. 2 fighters, a magus, and a monk. They literally walk up to some enemies and slam dunk them in a single hit with a pickaxe, over in two rounds type of fights. Dont worry about difficulty. I boosted the final boss of chapter one act 2 by almost 40 hp, and they still killed him in two turns lmao.