What is the formula for critical strike %

i suspected there was DR. Because when you level and add a point to critical strike rating passives normally your crit falls from where it was before you leveled.

About crit, I noticed that crit are on the attack/spell and not on the mob. If you make a crit with aoe, every mobs will be affected by the crit. It's not the original meaning of a critical hit.
A critical hit (RP-wise) is when the mob has been luckily hit on a weak spot, not a randomly triggered more powerful spell.
Crit shoud be calculated for each mob, not for each skill.

That open some monster mods possibilities, like "reduced crit chance on self"

Besides, it seems to be also the case for accuracy. If you miss, you miss everydody ...

Perhaps I should make a new thread on that ?

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zriL wrote:

About crit, I noticed that crit are on the attack/spell and not on the mob. If you make a crit with aoe, every mobs will be affected by the crit. It's not the original meaning of a critical hit.
A critical hit (RP-wise) is when the mob has been luckily hit on a weak spot, not a randomly triggered more powerful spell.
Crit shoud be calculated for each mob, not for each skill.

That open some monster mods possibilities, like "reduced crit chance on self"

Besides, it seems to be also the case for accuracy. If you miss, you miss everydody ...

Perhaps I should make a new thread on that ?

oh yeah, that's a good point to make. I think both me and malice (and probably others) already knew that though.

What's interesting about it though is I think it means that critical hits would have to be based off the zone level, as opposed to individual monster levels which is quite strange. (assuming monster/zone level is used at all, which certainly seems to be the case based off my testing)

Because of this (assuming how it is), I assume they will have to change how it works for PvP, because critting an opponent based on the zone you're in would be pretty dumb, lol.


With regards to AoE attacks all hitting or all missing you are wrong. Hits are measured individually on monsters; you can hit 4 and miss 2 (even on crits).

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zriL wrote:

About crit, I noticed that crit are on the attack/spell and not on the mob. If you make a crit with aoe, every mobs will be affected by the crit. It's not the original meaning of a critical hit.

Crit on hit was how it worked before. It was changed to crit on cast because you simply had too many crits for things like Surgeon's flasks.

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WhiteBoy88 wrote:

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zriL wrote:

About crit, I noticed that crit are on the attack/spell and not on the mob. If you make a crit with aoe, every mobs will be affected by the crit. It's not the original meaning of a critical hit.

Crit on hit was how it worked before. It was changed to crit on cast because you simply had too many crits for things like Surgeon's flasks.

Yeah except the flasks were also changed to give +x charges per crit, so it ends up being pretty much the same on average as crit on hit for the purposes of flask charges, except in edge cases. Just a bit more sporadic.

So the head devs are back from Pax now... Would be great to get that formula before the race...

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wickedhood wrote:

So the head devs are back from Pax now... Would be great to get that formula before the race...

I already figured out the formula, assuming the character sheet isn't lying :P



I did some more investigation, and as far as the character sheet is concerned, it seems this same formula is also used for damage reduction, evasion, and accuracy. These formulas were accurate across multiple characters with varying amounts of each stat:

Damage Reduction = Armour Rating / ( Armour Rating + ( Character Level * 50 ) )

Chance to Evade = Evasion Rating / ( Evasion Rating + ( Character Level * 50 ) )

Chance to hit uses Character Level * 5 instead of * 50
Chance to Hit = Accuracy Rating / ( Accuracy Rating + ( Character Level * 5 ) )


So basically, that character sheet is assuming that the average monster has level*50 accuracy, and level*5 evasion.

Bump for great justice. my new witch is level 30 something and i need to do some math on crit chance. I'm locked at 5% from gear. level 30 in a 35 zone. I need to know how many passives i would need to spend into to get my crit above 5%.

Malice thank you for your work, the character sheet fucking blows however, doesn't take into account support gems.

Please post the actual formula, If information is power im a DW class weaponless. Please.

/edit Your formula is bogus...

With 8 power orbs: 24.3 % chance to crit. I have crit passives, and crit on my gear.... that means my natural chance to crit is .3% LOLOLOLOL

bump, I feel like its ridiculous that I'd have 5% crit still..