This is true (and very easy to test) for SP and Haste. Testing this for Crit is a bit more difficult, due to rng.

Moonkin 4t11 provides a temporary 100%/66%/33% crit bonus, and ticks for an existing DoT do reflect those changes. Of course that dynamic behavior may not apply to changes in crit rating, or may not apply to Magi. If "stats at cast" were entirely applicable, there would be significant changes to the Balance rotation.

I posted a quick spreadsheet on Google Docs to help calculate how much damage is lost to Ignite Munching and see the effect of increasing mastery has on the munched damage.

https://spreadsheets.google.com/ccc?...thkey=CM2DwdQE

Usage:
Enter the totals for your Direct Damage criticals, DoT criticals, and Ignite damage from World of Logs, in cells B1, B2, and B3 respectively. Subtract any crit damage from sources that do not proc Ignite.

Enter your mastery value in cell E1.

Enter your total damage done in cell B1 to see the of percent total damage output lost to ignite.

The sheet does the rest. At my gear level I'm getting 6.25% damage lost on average. Each additional point of mastery results in 0.6% more damage lost.


Edit: clarified instructions

After doing this weeks raid, I haven't run into any mana issues at all seems like all those mana reductions in the last patch has helped greatly. For certain fights I didnt even have to evoke or use mana gems. Now my question is should the basic 3/35/3 spec be changed to include Fire Blast over Scorch? It seems that the 8% extra crit might yield more pyro blast procs. And I seem to be casting it more often in my rotation when I'm on the go. Is this is bad idea? Should I only be casting scorch while I'm on the move?

I've ran some numbers on Improved Fire Blast, and posted them in this very thread, so you may want to look those over. Basically, using Fire Blast (with Improved Fire Blast) will net in a higher DPS gain then just pure Scorch spam. The mana numbers I've ran basically show that with both Improved Scorch and Improved Fire Blast the mana consumption isn't enough to make much of a difference especially with the latest mana reduction changes that have gone through.

I haven't ran the numbers on just using Improved Fire Blast, and a costly scorch, but I would assume the extra mana costs from scorch would mean it would require far more mana then if scorch was free. If you feel you have the mana available, then by all means, try it out. Let us know what you find, but from a strictly DPS aspect, adding Improved Fire Blast will result in a higher damage done, and DPS values for movement, when compared to straight scorch spam (keep in mind that you want to use Pyroblast! and Living bomb as well)

It appears that both of these issues have been recently fixed. I just finished testing on the dummy and I was able to HS Pyroblast! both on the run, and with less than 900 mana (tooltip cost for Pyroblast is 2961 mana). I tested with the Pyroblast spell from the spellbook on my (Bartender) action bar.

Has someone with insight on the ignite munching mechanics figured out if it's actually worth casting Flame Orb as Fire?

It seems like Flame Orb is a primary source for all the ignite munching going on. Does it's high DPET really outweight the increased munching we get in the 16.6% of time it is up?

Have you done any tests or seen any to prove that statement or is it just guesswork? In any case the statement is false, all fire spells munch ignite, be it Living Bomb ticks, Pyroblast ticks, Fireballs and Pyroblasts basically anything you cast does, due to how munching works there isn't much you can do to reduce the problem.

You could try and do it on a short time frame by say not casting Living Bomb / Flame Orb and by following every DD fire spell with say an Ice Lance but the damage loss from doing that would probably outweight any gains from Ignite. Some theorized trying to not cast Flame Orb during the first Combustion preparation but I would assume that it's worth doing so only if the fight length is such that it still allows the same amount of Flame Orbs.

On a different subject, there was some discussion about dropping Improved Scorch, most hard modes still last around 7-9 minutes which is more than enough time to go oom. Granted you won't be weaving scorch, however, those same hard modes involve quite a bit of movement where you will be casting Scorch, in general what I found from going over my logs is that Imp. Scorch gives me more mana during the fight than say having points in Clearcasting that's a by product of the latest mana changes where now Scorch and Fireball cost 8% and 9% ie. almost the same.

What is interesting to me is finding out if swapping to Mage Armor during the fight would be better than evocating assuming you can't evocate during some phase where you don't dps. Simcraft tries have yielded similar results but it's quite limited in what it allows to model and rawr still evocates though I don't know if it actually considers swapping armors at all.

It's an interesting discussion about flame orb munching, and it's obvious that it would be very hard to do enough testing in a real situation considering flame orb is on a longish cooldown. However, I'd like to see more attempts at proving these assertions.

Recent SimCraft results have shown that this is not always true anymore. It is more beneficial to swap to mage armor sub 5% instead of using evocation. It would of course be more beneficial to use evocation on a fight with some sort of down time(aka nef).

I would not say that Flame Orb is the "source" of munching, but rather it exacerbates a condition that occurs even outside the use of Flame Orb. I find your DPET question very interesting. SimC has all the data available to depress the benefit of Flame Orb every time an Ignite is munched. I'll look into adding an "opportunity_cost" to the stats_t structure. (Warriors have been asking for such a mechanic for Slam.)

Delaying Flame Orb seems like an easy decision with all the theorycrafting done lately but I see you are delaying Living Bomb as well and I'm curious if it really makes sense to do.

After reforging some crit into haste post-4.06, it seems like Hot Streak is much harder to get and sometimes I chain cast Fireball at 25% haste for 25-30 seconds without one. Intuitively it feels like a bad idea to delay Living Bomb like that but I would love to see more savvy theorycrafters do some simulations and check whether that's actually a good idea or not.