We spent all Saturday playing through it. The PCs succeeded brilliantly other than never finding the hammer and the beastmen getting the painting.
They risked their necks to save as many staff as possible, literally carrying their unconscious bodies back to the Lord's room where they barricaded themselves in and saved almost everyone except the Kennel Master and the guardsmen.
So. I read the XPs at the end.
The ending stuff said to give:
1 XP per chapter. (3 XPs total)
1 XP for defeating all cultists.
1 XP for something else (I'm blanking, but it was something they did.)
On top of that there is the traditional 1 XP for playing and I gave them the 1 for good RP.
That was 7 XPs! It seemed like a ton. Did I give out WAY too many?