All services are held in one wing which is still open

They build a spire of bones, to be sure the workers aren't aware that those are bones, they are hidden in word and straws

*15min The tower burns, revealing skeletal hands in the fire.

*30min Incense smell intensifies. They hear souls screaming. they now see clearly that the tower is hiding a spire of entwined skeletons.

*75min

*100min The tower collapses. Same for the roof of the Cathedral. They are hurt.

"Crosier" is trying to hold the players off while the other artefact bearers run away.