How does the skill "Sunder Armor" work?

[Xzall]

Hey,

How does the skill "Sunder Armor" work exactly (it's on the Strong Attack bracket and at level 1 it -Reduces enemy damage reduction by 5%-) ?

It only works with Strong Attacks? Or can I hit the enemy with 1 Strong Attack then some fast attacks? It persists for a limited time no matter what attacks are you using if you land a Strong Attack?

Hopefuly I haven't written this post too confusing, thx for any helpful answers!

[Memoria of Silenti]

Just like it says. Every point into sunder, it goes up 5% to 25% max. So, you land a strong attack, and their DR goes down for the rest of the fight. You can then switch to fast attacks and its DR is still reduced, yes. BTW, the igni skill Melt Armor is the same for those wondering.

Edit: Should have pointed out that Melt Armor relies on sign intensity, whileas sunder just works. However Melt Armor goes up to 50% if I recall correctly.

[Xzall]

Originally posted by Memoria of Silenti:

Just like it says. Every point into sunder, it goes up 5% to 25% max. So, you land a strong attack, and their DR goes down for the rest of the fight. You can then switch to fast attacks and its DR is still reduced, yes. BTW, the igni skill Melt Armor is the same for those wondering.

Edit: Should have pointed out that Melt Armor relies on sign intensity, whileas sunder just works. However Melt Armor goes up to 50% if I recall correctly.

I read that Melt Armor only works on certain enemies, since not all of them have armor.