Yeah, Act 3 still needs some polish. Quests and info are all over the place and don't necessarily make sense. I got that quest too way before I rescued the duke while I was just roaming around the Lower City. Don't remember where Wyll was but as far as I remember I had Karlach, Gale and Shadowheart with me at the coronation as I expected a fight. Mizora admitted the same to me at camp.
