Agony resistance and Death shroud
All Life end in Death, and Death…is only the beginning…
3) Condition damage is doubled in DS (although last time I checked, the damage numbers did not reflect this), so agony is possibly subject to this as well?
I was asking for information on this quite a while back; It’s more or less unofficially confirmed that Death Shroud takes double damage from Condition damage. And Agony is treated as a condition.
As far as how the Resistance actually works with Death Shroud, I have no idea. I stopped caring, and until Arenanet can show me that they’re capable of intelligent fixes, I will continue to not care.