[quote=@souleaterfan320]
<Snipped quote by Zyx>

Ah. 

So it's ore of like a physical decay, but can also have a spiritual decay effect depending on the attack. Everything here is a physical attack. You'll know the difference.
[/quote]

>Right, but Archangel vessels are outright unphased and immune to damage from pretty much all mundane sources, which is why I was wondering how damage should work because I don't know whether or not to classify an attack made by Shinji as mundane or strong enough to break through Lucifer's invulnerability.

>Namely this bit here: 

[b]Invulnerability[/b] - Archangels are impervious to most supernatural means, and it is completely impossible for them to be harmed by conventional means.