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Old June 16, 2009, 09:50 PM   #1 (permalink)

Character Info
Hammo
80 Human Warlock
Doomhammer Euro PvE
Guild: Sleepless Knights
Talent Spec: 54/0/17
3.1 Meta Gems

Hi All

What Meta gems is everyone using?

For my Affilock I am using +25spell + 2% reduced threat. Would the Chaotic Skyflare one be better though?
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Old June 16, 2009, 10:12 PM   #2 (permalink)

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Gelbreazu
80 Undead Warlock
suramar US PvE
Guild: seventh column
Talent Spec: 0/14/57
Re: Meta Gems

21 crit +3%crit damage is best
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Old June 17, 2009, 08:59 AM   #3 (permalink)

Character Info
Hammo
80 Human Warlock
Doomhammer Euro PvE
Guild: Sleepless Knights
Talent Spec: 54/0/17
3.1 Re: Meta Gems

he he, not that I don't believe you, but is there any theorycraft anywhere that backs that up?

I have always thought sp > crit, especially for an affilock.
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Old June 17, 2009, 09:10 AM   #4 (permalink)

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lilsteele
80 Human Warlock
Terenas Euro PvE

Re: Meta Gems

yes there is. don't know where it is though ;)

basically it's all about the 3% increased crit damage... thats a lot in the end
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Old June 17, 2009, 10:16 AM   #5 (permalink)

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Eschatos
80 Gnome Warlock
Emerald Dream Euro PvE
Guild: Seven Sins
Profile: Blizzard Armory
Talent Spec: 55/0/16
Re: Meta Gems

the crit meta gem sounds interesting....im gonna try it when i get home and post the results
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Old June 17, 2009, 11:32 AM   #6 (permalink)

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rooter
80 Human Warlock
Hellscream US PvE
Guild: Darksin
Talent Spec: 0/15/56
3.1 Re: Meta Gems

If you search this site for "Chaotic Skyflare", you will see that the 21 crit +3% crit damage is by far the best metagem for locks of any spec. It's on the EJ website as well.
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Old June 17, 2009, 12:28 PM   #7 (permalink)

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Borgette
70 Undead Warlock
Terenas Euro PvE

3.1 Re: Meta Gems

info here
Dots and you: The Affliction Warlock Thread - Elitist Jerks

but its 4 months out of date, some mention of the +25sp/run as better for afflic as the unholy aura isn't raid wide or something, need to do more reading
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Old June 17, 2009, 01:39 PM   #8 (permalink)
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Character Info
Dyson
80 Human Warlock
Scilla US PvP
Guild: Eden
Profile: Blizzard Armory
Talent Spec: 0/13/58
3.1 Re: Meta Gems

Quote:
Originally Posted by Hammo View Post
he he, not that I don't believe you, but is there any theorycraft anywhere that backs that up?

I have always thought sp > crit, especially for an affilock.
The 3% crit is not crit% but a direct increase in damage which essentially is a meta gem that forces the spell power you do have to scale much better.

I know someone linked the EJ Affliction thread, but that thread is long and I am not sure the math is really in there (they tend to leave it to the simulation to prove the point).

In terms of theory craft, if we make some napkin math assumptions that spell power is roughly where a lot of our spell damage directly scales from and that you are sitting at 2000 SP and let's say 25% crit (raid buffed and talents etc)

Then adding 25 SP with one meta gem would be

2025 * .25 = 506.25 extra crit damage

Whereas if you plug in 3% more crit damage (which is 3% * 2 because it scales the normal hit part of the damage when a crit occurs as well)

then the formula is

2000 * .25 * 1.06 = 530 extra crit damage

Now, these numbers and formulas are too simplified since of course there are base damage to spells and different spell damage coefficients, and different cast times, but essentially the principal of the reason the chaotic gem is superior is illustrated here. The above is just meant to just show simply the more spell power you have already, the more the 3% crit damage meta gem scales.

Alternatively you might ask what happens if you are low on SP. If you plug in 500 SP as a base spell power (which is ridiculously low), then the formula actually becomes 131.25 for the +25SP gem vs 132.5 for the 3% gem. The 3% gem still wins out. You would have to have a very low spell power for 25 spell power to make more of a difference than increase your crit damage by 3%.

And of course, affliction locks have benefited from crit for months now, so the chaotic gem makes sense.
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Old June 17, 2009, 01:50 PM   #9 (permalink)

Character Info
Luxury
80 Blood Elf Warlock
Deathwing US PvP
Guild: Addiction
Profile: Blizzard Armory
Talent Spec: 54/0/17
Re: Meta Gems

There's a lot of theorycraft stating that after the change to Pandemic where the DoT actually crits, Chaotic Skyflare is the best Meta to use.
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Old June 17, 2009, 02:47 PM   #10 (permalink)
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Character Info
Dyson
80 Human Warlock
Scilla US PvP
Guild: Eden
Profile: Blizzard Armory
Talent Spec: 0/13/58
3.1 Re: Meta Gems

Quote:
Originally Posted by Rutiene View Post
There's a lot of theorycraft stating that after the change to Pandemic where the DoT actually crits, Chaotic Skyflare is the best Meta to use.
Do you have a link to that theory craft you can provide if there's "a lot of" it you've seen? I've really mostly seen simulation differences in the threads which show 'in simulation' that CSD is better, but simulations are black boxes. It doesn't actually show the math behind the simulation.

Because I really have not done the math on these things myself and I don't really trust my own calculations being new to trying to figure these things out for myself, I would be interested in the source material.

I did find a theorycraft reference as to the actual damage boost the Chaotic gives in the WOWMB forum
Chaotic Skyflare Diamond - 9% Crit damage? - The Warlocks Den Forums

Although the chaotic gem says 3% extra damage, due to how the talents scale up the damage (double crit damage) the 3% is applied before the double damage not afterwards, so actually with the talent it's more than 3% extra damage.

It ends up being 209% increased damage on a crit with the meta gem instead of just 200% (or +9% not +6% as I was assuming above).

If that 9% extra happens 25% of the time (25% chance to crit), that's a pretty large boost or on average something like 2.25% (9% * 25% of the time) more damage over all. +25SP seems unlikely to give such a large overall increase in damage unless spell power is extremely low. Even as low as beginner Naxx10 gear @ 1500SP, +25SP is only a 1.6% increase in overall SP (Although I realize SP != DPS exactly). At Ulduar level starting gear at around 1800-2000SP, +25SP is a flat increase and yet the increase in damage by percent from Chaotic gem actually scales.

This idea appears supported by simulation in the EJ thread that was linked earlier in that the difference betweenb Beginner Naxx vs Beginner Ulduar gear between the Gems.

In Beginner Naxx gear, the CSD crit% bonus gives a boost of (50.37 - 32.63) 17.74 DPS over the +25SP gem. Contrast that in beginner Ulduar gear, the CSD gives a boost of (79.98 - 35.13) 44.85DPS. In essence also demonstrating the CSD scales with ability to do damage based on your base gear stats.

So I think the simulationcraft corroborates what I am attempting to show by math as to why CSD is better than +25SP, but I am not sure if someone else has written the math up in a way that is more correct than I have attempted to do.
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