Encountered a known and crucial bug: Upon exiting from dungeon into the courtyard (the door that is opened by NPC)
During our run a lvl 21 guardsman aggroed a lvl 26 player from up the wall. Obviously this is not an intended effect.
Suggestion: Some sort of line of sight blocker for the left wall or reduced aggro range for the guards on it.
Regards,
Steyr.