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[goyacracker]

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[Disconn3cted]

This probably isn't the answer you want but there is no reason it wouldn't affect them. No I don't know for sure.

[Pan_Raider(`_´)]

they have both Att. R and Parry R.,

but the damage difference (with parry debuff) is only noticable when you are hitting the opponent multiple times(combos) or you are in a team fighting a giant gp with high hp.
Just depends on the how many hits you deal.

And the attack ratio is best vs higher mobs, you will see a slight certain damage reduction

[raphaell666]

Yaeh, they have. But those debuffs would probably be as effective as the lightning imbue (which reduces your enemies parry ratio by half) which changes, well, pretty much nothing.