I'm playing through "Rescue the Grand Duke", and the starting location (with the fire in and around the building) has produced two bugs that prevented me from proceeding as normal.

First, the survivor named Benryn followed me for two seconds into the next room after breaking down the door, but then stopped, and won't follow me anymore.

Second, when you find Benryn and take him to the room to the left (breaking the door to access it), you can take the stairs down to the ground floor and exit the building. This seemed like the perfect escape path. Except that once you've gone down the stairs, you can't walk out. At a certain point, you simply cannot walk towards the door anymore, the only option being jumping closer to the door. You also cannot walk through the door itself. The only thing that worked for me was to jump through.

In any case, I was not able to rescue Benryn. He got stuck, but even if he hadn't gotten stuck, I wouldn't have been able to rescue him through the path I've just described.

Image below.

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