Oh, and in case anyone asks, yes I was using 92% FC, had 26% gear haste, and for magic haste I used Haste2 + 2x marches with ghorn. Basically, way overkill. If one could go over 80% recast reduction with just gear/traits/magic alone, that would have done it. But it didn't happen.
One more thing, just like haste's cap is undone during weakness, so is fast cast. I casted reraise while weakened with 26% gear haste and 92% FC. Recast was 56s.
(60s base recast)(1-(-1 from weakness)-.26) = 104.4s => 104s; (104s)(1-.46 from FC recast) = 56.16s => 56s.
What? Haste's cap isn't undone during weakness. and that doesn't show that Fast Cast's cap is either.
The recast cap is 20% of the base recast. It doesn't matter how you get there and afaik there are no recast-specific caps.
Also, Fast Cast does not (iirc) cap its effects on spell recast at 80% Fast Cast (-40% recast) whether you're weakened or not.
Didnt ScHs have to use the magian staves also to get the stun down to 4 seconds?
Only because of gear/buff limitations, IIRC. Before the ilvl update, there was very little gear that had both haste and fast cast, and they could only cap magic haste when SV was up.
It does, when weakened it no longer caps at 43.75% for magic haste, etc. and FC recast doesn't cap at 40% either during weakness. What I showed above does indeed show that Fast Cast's cap is to undone while weakened. If the caps of 25% for gear haste and 40% for FC weren't undone then the recast would have been (60s) (1-(-1)-.25) = 105s; (105s) (1-.4) = 63s. But it was 56s. That's because the cap is undone. You are still limited to 20% of the base recast, but the caps for getting there are undone.
Edit: as for haste cap being undone during weakness this has been known at least since January: http://www.bluegartr.com/threads/124568-magic-haste
That's because Weakness applies 100% magical slow, so you're not getting even close to the 43.75% magical slow cap. The same thing applies if you're hit by a powerful slow; you will still benefit from more 43.75% magical haste because the slow is being counted too.
Gear haste above the 25 cap does NOT further reduce recast even when weakened; I just checked. With 27% gear haste and 39% Fast Cast, I had 1:25 recast on Reraise while weakened; I put on Phasmida belt for a total of 32% gear haste (same amount of Fast Cast as before), and Reraise was still 1:25.
In addition, Fast Cast above 80% also does NOT reduce recast timers whether you're weakened or not. I checked that just now as well: 81% fast cast and 88% fast cast (with capped gear haste) gave exactly the same recast on Reraise (63 seconds) when I kept haste constant.
Question. Hypothetically, with enough magic haste buffs, can you negate the effects of weakness?
User error. You either forgot a buff, or misread your number.
Also, I rechecked the notes I scribbled down real quick, and I had 1:03 for the capped fast cast recast test, not 0:57. I fixed that in my post.
I even did a further test where I added 6% more fast cast for a total of 94% while weakened, and it was still at 1:03.
That's true, and I forgot about Embrava, too. So yeah, you could cap magic haste right past Weakness if you were so inclined.
Don't forget about Mighty Guard!