Understanding Communion

[Meglobob]

thejeff said:
My understanding is that the slaves don't act while the master is casting.
What I don't know is, once your master retreats, will the slaves hold 4 times before retreating or do the turns they spent not acting count as holds?
Complicated by them probably being unconscious by the end anyway.

I have used this several times, the slaves retreat. Either at the same time as the master or when there fatigue goes below 100.