Lightning strikes twice in one week. It's a short solo episode from Klaus about Athanasius of Alexandria, how the devil might live in the air, and how Christian theology conceptualizes both the human body of Jesus and the airy bodies of demons as instruments of the Lord.

Sources:

Athanasius, On the Incarnation of the Word

Athanasius, Life of Antony

Gay Byron, Symbolic Blackness and Ethnic Difference in Early Christian Literature

Giorgio Agamben, Opus Dei: An Archaeology of Duty