you're forgetting that blizzard wants to return a little bit to a BC style progression of PvE-Content, meaning they want you to more or less complete the previous content before moving to the next. There are nerfs incoming to that end. You won't need to have 16/16 HC on farm to be able to try ToT but i expect the first bosses to be tuned for a mix of 502 and 509 gear and Lei Shen in particular 510+.
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I hope they tune the final encounter of the instance to require average guilds at least 510, so if you have a bunch of pieces from the other 11 bosses you had to kill, you're good.
Most likely tuned around 496-502 ilvl factoring in the new LFR in 5.2 and the existing valor upgrade mechanic(at least for the first few bosses)
Skilled raiders could do it in alts with roughly 485 i'd say.
For your average player, anywhere between 496-502
From what I've seen the DPS checks are far too tight for even the best raiders in 485 gear. Unless they are adjusted downwards for live. The first boss in particular would be impossible as most guilds testing it failed the supposed enrage (who knows if you'll be able to pull him to the side on live if you run out of time) in 502 gear. Not scrub guilds either. Guilds splashed all across the front page of Wowprogress.
do u guys even read news on mmo-c front page? was already anwsered by blue, starting fights tuned for 510, last boss for something hiegher around 520. Keep in mind that tuned for means "rather easy", not "doable" nor "progresive". MV normal was tuned for 470+ and u could do that in 463 blues.
We hit 11% after all 4 pools were electrified on PTR, there's still enough room to move around for another ~90 seconds and kill the boss.
PTR/Beta bosses are generally tuned a little bit higher than live, anyway. Plus the fact that half the people testing aren't there to test enrage timers, we're there to test mechanics and strategies to deal with the mechanics. 99% of the time the health tuning of bosses on PTR aren't what they are when released on live.
You'd be surprised how close to maximum theoretical dps people can pull if they take time to research/practice enough. From what i've seen of some guildy alts with roughly 485 ilvl, they would do enough dps.
Any serious heroic raiding guild will kill it all in the first week, there is a massive difference from entering a new raid at the start of an expansion and at the start of a patch.
When a new expansion launches, people will all be undergeared, and when the guilds first go in they won't all have the best of the best blue items.
When a new patch launches, people will be geared or over geared for the content, meaning that it goes down rather quickly.
almost all bosses were tested with 502ilvl, the thunderking aka Lei Shen was tested with 522
Blizzard may lower it 8 lvls below on live but you get the picture what king of gear you will have for the last bosses
but on the opposite side, Blizzard when releasing a patch live it increases the damage/healing requirements compared to PTR, so dont really know what to expect
also do you know if its possible on the first boss to kill him after the 4 pools, if he can moved to the sides?