If you come here before the attack on the tavern, then everyone inside will be alive and the crusaders will join you in the assault on the Gray Garrison. If you come after the attack, there will be significantly fewer survivors.
Collect and read all the books in this location – many give additional bonuses to the main character.
In the corner there is a secret door (attention 20) – behind it is the Staff of Compulsion and the magic essence.
You will not be allowed to leave this location so easily – you will have to immediately return to the Heart of the Defender – take this into account when planning.