That could very well be it, I posted it because I thought that the previous notes said that they were reducing it by 15% but come to think of it there *were* no previous notes were there? It was just players reporting a reduction on the PTR and GC confirming it. Sorry for the confusion.

It takes 1400 ArP on ptr right now to cap, just as it did when it was first noticed, which is around a 12% nerf. They just added the notification of the nerf, they didnt change it.

Correct;

The 12% nerf represents original 100% efficiency, buffed to 125%, reduced to 110%. 125*0.88 (12% nerf) = 110%.

The 15% you may have heard previously was reduction from 125 to 110 (by subtraction; 15%)

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I was a bit curious on the discussion about weapon swapping posted before. To me the MP change definitely would allow room for you to swap out daggers (assuming you have another OH dagger equivalent to that of your current) while the DP is ticking but has anyone done any analysis on what the mutilate DPS would look like if you did not weapon switch? If blizz made the changes to bring mutilate's DPS closer to that of combat how close are we getting? I would like to think that weapon swapping is not something Blizzard had in mind when they decided to make these changes as Aldriana pointed out before.

Well the ArPen nerf should at least make combat rogues consider when it will be beneficial to let go of the tier 8 four set bonus (critical ruptures), since it primarily is the stats (including ArPen) and not the set bonuses that will make tier 9 superior to tier 8.

I would gain roughly 340 dps from the 149 ArPen on Tier 9 (legs and shoulders). And after patch 3.22 the same 149 ArPen rating will be roughly 300 dps (hence legs and shoulders may not be the first items you should grab when changing from tier 8 to tier 9).
For me it havent been beneficial to change my tier 8 to tier 9 untill Ive got at least four pieces and this wont be changed by the ArPen nerf, but I could imagine that other ppl with different gear/stats than me might had to rethink in which order to get their tier 9, and which parts to get first?

FoK Nerf:
I have read the last 5 pages, I didn't see much about this.

Anyone have a idea how much % it will affect a combat rogue and mutilate rogue?
(ofc depending on amount of targets)

Pull up a log or recount data on whatever it is your run regularly (ToC-25, Ulduar, etc), find your total damage done, find the percentage of your damage that was done by FoK, multiply these to find the damage done by FoK (or just look it up, it's there). Take this damage done and multiply it by 0.70 (70%, representing the 30% nerf). This is how much damage you're doing with FoK on a full run post-nerf. Subtract this value from your original FoK damage number to see how much damage you're losing from the nerf. Subtract that number from your total damage to see how much damage you're doing in total post-nerf. Take this number and divide it by your original total damage to see what percentage of your original damage you're now doing, post-nerf, and finally subtract this percentage from 100% to see "how much % it will affect a combat rogue and mutilate rogue?"


The math lesson is free, but this forum isn't really the place...

No, poison is counted as poison damage and not fok damage. If you cut fok damage by the % nerf, and compare that to total fight damage, you will see how high a % nerf it is to overall damage.

I'm sorry. Of course that is right regarding how much less damage you're doing over all. I thought he wanted to know how much less aoe damage fok would be doing post nerf. You are, of course, right that he can take parses of overall data and compare them to see how much less damage he is doing, assuming everything else remains constant. This of course is also answered if you count just fok, but the poison damage associated with fok is a significant portion of the damage you do overall. So it's not like fok will be 70% as effective, which is what I thought he was worried about.

Well, in all actuality, FoK is exactly 70% as effective, it's just that, as you pointed out, with FoK comes poisons, and each time you hit that button, you're getting more than just Fan. FoK will still apply poisons in the same way, for the same amount, post nerf, but the damage component on the attack itself will be 30% lower. So if your fan damage was 10 damage and each application of wound poison was 5 damage, pre-nerf, it would go from 20 damage total down to 17, not 14. Hopefully this is clear enough.

It's closer to -0.5% nerf, +2.5% buff (roughly, with bis) if you're just pulling out non exact numbers. It's entirely gear dependant and thus impossible to give anything remotely close to exact.

It's easy enough to calculate though, just take your favourite spreadsheet with your gear and adjust the arpen coefficient.