How to complete the Demons of Trosky quest in Kingdom Come Deliverance 2 and avoid being locked out of finishing it. This quest will have you navigating around Trosky Castle putting protective barriers around fireplaces with holy or magic water to scare away the demons that haunt the it. Unfortunately though, once you complete the Necessary Evil main story quest, you'll lose access to a room that's required to complete this quest.
0:00 Getting Locked Out of the Quest
1:14 Where to get Demons of Trosky quest
1:58 Bertha - 5 Maiden Fireplace Locations
4:30 Manyeta - 5 Crone Fireplace Locations
6:40 Osina the Blacksmith
8:30 Return to Chamberlain Ulrich for reward