But I just wasn't quite sure of the point of the whole thing, or how the assigned sin of Wrath applied to the situation. I didn't see Wrath leading to anyone's downfall especially. Sorkav certainly had a downfall, but it was racism that led to it.
Isn't racism a kind of wrath? The dictionary defines wrath as "violent, resentful anger." Racism is resentful anger against people who aren't like you, and it often becomes violent.
Has it been established how the virus was cured so that K, K & K got their foreheads?
See Excelsior: Forged in Fire