[ A quirk of Duplicity that Essek has yet to discover, and so he is impressed. Both by Aziraphale's seeming ability to understand Undercommon, and for not writing down what he's learned. So he continues in his native tongue, unaware that it's being translated. ]

I am. Monotheism is fiction where I come from, though my people are some of the few who do believe in the superior power of the One above all others.