S1·E10 Revelation 2:10

"Do not be afraid of what you are about to suffer. I tell you, the devil will put some of you in prison to test you, and you will suffer persecution for ten days. Be faithful, even to the point of death, and I will give you life as your victor's crown."

In shock over the contents of the tomb, Ava no longer knows what — or who — to believe as she tries to divine the true history of the halo.