The candle puzzle in the Abandoned Keep gave me some trouble so I made this little schematic to help myself out. Uploading in case someone's stuck here : r/Pathfinder_Kingmaker
Abandoned Keep - Pathfinder: Kingmaker Wiki
Designing Sound for Pathfinder: Kingmaker / Habr
Pathfinder: Kingmaker - Hard Mode - Abandoned Keep Secret room - Candles puzzle - werglia na Twitch