Can't wait to try out LoV, and I really need a WUE to see how close I can get to the gcd cap (50% raid buffed haste) without Empowered Seals. If I can get reasonably close like Angus suggests (tentatively I'm hoping for at least the low 40% range), I could definitely get on board with switching to HS for progression and Seraphim for farming.
There are several Conq users in my group, so unfortunately I won't have my T18 set for another week or two. 2pc 17/2pc 18 sounds like a great setup for now, with AS triggering both the absorb shield and an increased block chance on cooldown. With all of the Crusader procs, and eventually the free AS procs from the 4-set, does anyone know whether the absorb shields from the T18 2pc bonus (and also the block bonus duration from T17 2pc, out of curiousity) will stack up, or do they simply overwrite?
In comparing heroic Archimonde pulls from this week with each talent (ES vs HS), I noticed a substantial drop in activity, from 73 casts per minute with ES to 63 with HS. This is to be expected of course, but I was pleasantly surprised to find my SotR uptime did not suffer in direct proportion. Of the 10 fewer casts per minute, on average only 4 to 5 of them were holy power generators. So a 14% drop in overall activity only translated to about 7-8% of SotR uptime lost, and HS held its own for damage dealt. I did not find it to be particularly helpful against the initial Death Brand strike, but I definitely held up longer against the ensuing dot and Deathcallers before resorting to cooldowns.
In summary, it seems the core Holy Power rotation can be executed reasonably well in any spec, and at least half of the additional casts generated by playing at the haste cap simply go towards a more robust filler rotation with more frequent casts of Consecrate, Holy Wrath, and Sacred Shield refreshes. This narrows the gap between ES and HS significantly, but I still need to come up with some haste thresholds where HS begins to surpass ES. And when Hammer of Wrath becomes available during an execute phase, the advantage of being at or near the haste cap becomes more pronounced again.
As for the issue of DPS/Survivability balance, I wouldn't say I prioritize DPS so much as look for ways to optimize it with minimal compromise in survivability. Since all our most desirable secondary stats (and all secondary stats, to a degree) provide significant benefit to both areas, we end up having a fair amount of room to fine tune this balance as we and our healers get better accustomed to the swap timing, positioning and cooldown requirements of each encounter.
Ultimately, the most appealing thing about the haste-capped rotation (and something that doesn't show up directly in sims) is that shorter GCDs and better resource generation grant you a number of decisions per minute, or opportunities to proactively improve your own survivability through prudent resource pooling and allocation during the course of the fight. Besides that, the many advantages of higher dps throughput such as efficient add control, improved raid dps uptime on critical targets, smoother phase transitions, shorter fights, higher relative buff uptimes, and impressive rankings are just gravy.
I'll check on that simcraft post, thanks Ganewate. Will also be back to share results as a couple of key gear changes bring a non-ES haste build within reach.
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Theck simmed the T17 set bonuses in his last sacred duty post, comparing their effectiveness with higher ilvl gear and found only a modest sacrifice of primary stats (ilvl) was warranted to keep a set bonus active (and even less so on fights with less than 100% tank uptime). In your case I would be fairly confident to break your T17 4pc for the 35 ilvl upgrade gloves, especially once you have another HFC upgrade to swap out your 3rd BRF tier piece (which were not particularly well itemized, except for the chest). Aside from that, you won't be able to keep your T17 4 piece as you progress through the Citadel, so it would make sense to start getting a feel for how the bosses hit without that block buff in place.