Chris has been working on a series of very well written, and heavily researched articles on Stoic Piety for the past few weeks. His most recent iteration, is on Epictetus.
The religious character of The Discourses is apparent to anyone who has read them, and despite the modern trend of wanting to discount any form of non-atheism in Stoicism the case for the religious nature of the school is well founded.
Head on over, give his article a read. It’s worth the time.