Quote Originally Posted by Man on Fire View Post
Q58

Priest has Spirit Guardians and Spiritual Weapon active. Acolyte casts sanctuary on him. On his turn Fighter fails save against guardians. On his turn priest attacks with spiritual weapon. Which, if any, of those will dispell sanctuary cast on the priest?
A58

The moment the Priest deals damage with Spirit Guardians. That's one of the conditions that make Sanctuary end and the first one to happen in the order provided.