Theory: We are Azem

[Iscah]

HOWEVER, you may find some clues about how his mask used to look like:

This has always felt like such a stretch. Why should Tataru have any idea what Azem's mask looked like, or that we should wear it? And the lines drawn over the spell circle seem only weakly connected to the pattern that is actually there, though it's harder to tell when they didn't provide an unaltered version to actually see what's there.