[Warlock] Hit vs Crit w/ Ruin

Сообщение от 30649

This post was from a user who has deleted their account.

Сообщение от Helmet

Spellhit is indeed of more importance than spellcrit because whenever you cast a Shadowbolt the Blizzard server matches the spell against an algorithm twice:

First: match
Whether or not your spell will hit the current target or will be missed/resisted
Second match
Whether or not your spell just hits or crits

the lower you are below your hitcap (for warlocks that's 202 on raidbosses), the less chance your attack actually has to hit your target. A resist is 0 damage, a normal hit easily does more than 0 damage, don't you think? :)

Therefore it's wise to first reach your hitcap and after you are capped you can either stack Haste rating or Crit rating.

Сообщение от Celdhyrean

1 more crit adds exactly the value of your normal damage. 1 more hit adds the value of your normal damage with a chance to crit.

You can also see it by comparing relative increases of 1% for hit (the smallest of which is 0.99/0.98) to relative increases from 1% crit (the biggest of which is 1.01/1). Here again, the smallest increase from hit is always bigger than the biggest increase from hit.

If you like maths:
D : damage of one of your spells
H : chance to hit for that spell ( H is comprised between 0.83 and 0.99)
C : damage bonus due to crit chance (higher than 1)

normal damage of your spells : D*H*C
adding 1% hit : D*(H+0.01)*C
adding 1% crit : D*H*(C+0.01)

Substract both and you get : D*(H+0.01)*C - D*H*(C+0.01)
= 0.01*D*(C-H)
Since C is higher than 1 and H lower than 1, C-H > 0
and thus : D*(H+0.01)*C - D*H*(C+0.01) > 0
ie the damage increase from adding 1% hit is always higher than the damage increase from adding crit.

This is to show that hit and crit are NOT equal, even if you have the impression that they both increase your dps by 1%. The question then is to know wether the increase from ISB is enough to overcome that difference or not.
I won't go into the computation of that because ISB is a raid wide debuff, so modelling it is dependant on many factors. (there are spreadsheets for that). Also note that +hit would also increese ISB uptime (albeit by a small value), whereas 1% crit gives less than 1% ISB uptime, especially when you start having a higher crit chance.
Still, ISB would probably come out on top in a situation with several shadow users (ie 1% crit > h1% it)

But that'd be misleading since you shouldn't be looking at % but rather at ratings. You get rating on your gear, that's what the item budget is spent on, and since hit and crit don't require the same rating to reach 1% (and by a large 80% difference), you'd have to compare 1.8% hit to 1% crit to compensate for that.
ie redo all the maths, with a perhaps different result with regards to ISB vs crit.

Сообщение от Blightman

Again? Good grief how often does this come up?

Short answer:
CRIT doesn't boost your non-critting spells: Corruption, CoD/CoA/CoEl(doesn't do damage but it can miss)/CoR(same as CoEL), Soulshatter(it misses and you die), Fear

Longer answer:
Given a perfect distribution of hit chance/crit chance against a raid boss where only you are consuming the iSB charges. And just using SB spam

The most damage lost between trading 1% hit for 1% crit is about .8% the most gained is 1.2%.
Before you get to excited, more jumps favor hit over crit so the sum gain of damage is more for hit than crit. Or to rephrase that the of the 17, 1% hit increases and 1% crit decreases, damage increases more often with hit than crit so the total gain is more for hit.

Going from 0%hit and 28% crit to 17% hit and 11% crit will increase your net damage in this scenario by 1%.

Сообщение от Dunsinane

Again? Good grief how often does this come up?
Frequently. Because spell crit is flashy and sexy, while spell hit seems pedestrian and mundane. People want the sizzle over the steak and will twist and contort however they can to justify their choice. Particularly if they can make it sound reasonable so long as no one does the math.

It seems to me that a crit percent (not rating) would be better than hit percent since damage wise hit is multiplying the amount x1 and crit is giving the same damage increase (x2)
This is, of course, wrong. There are good reasons why we actually test things and run the numbers rather than rely on what "seems" reasonable.

First of all, you are comparing apples to oranges. It requires 12.6 spell hit to equal a 1% increase. It requires 22.08 spell crit to equal a 1% increase. A proper comparison is based on itemization points, in which case hit is nearly twice as efficient.

Secondly, the statement itself is in error because a 1% increase in your crit chance does not equate to a 1% increase in your damage output. This is because of the simple fact that a spell that does not hit cannot crit. If you have a 25% chance to crit but a 10% chance to miss, you will only crit with 22.5% of your shadow bolts. Increasing your crit chance to 26% without altering your misses results in an actual crit rate of 23.4%, or a .9% increase. Conversely, a 1% increase in your chance to hit is a linear 1% increase in your dps.

Thirdly, this also affects your ability to maintain the ISB debuff. A 1% increase in the chance to hit in the example above would not only increase overall dps by 1%, it would increase your actual crit chance by .25%.

Finally, in any circumstance where you are doing anything other than pure shadow bolt spam, your crit bonus will not affect the majority of that damage. Corruption, Unstable Affliction, Siphon Life, drains, curses, and Soulshatter are unaffected by crit chance.

So, no, it is not "because Wowwiki tells us so". It is because we actually took the time to understand why it is so.

[Warlock] Hit vs Crit w/ Ruin

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