What percent chance do I get now? 40%? 36%? What?
A: The game will check to see if each modifier triggers, so it won't give you a simple 40% chance for either modifier to trigger. Instead, the two chances to activate are independent and overlap.
With Halves casting time, you can get up to a 32% chance to halve casting time, and a 4% chance to quarter casting time.
With Halves skill recharge, you can get up to a 36% chance to halve skill recharge. There used to be quarter skill recharge, but it was removed in the July 13, 2006 update.
Percentage Table:
Code:
Modifiers |Casting % |Recharge % |Avg Time % 1st % 2nd % |Full Half Qtr |Full Half |Cast Recharge ----------------+-----------------------+---------------+---------------- 20 20 |64 32 4 |64 36 |81 82 20 15 |68 29 3 |68 32 |83.25 84 20 10 |72 26 2 |72 28 |85.5 86 20 5 |76 23 1 |76 24 |87.75 88 ----------------+-----------------------+---------------+---------------- 15 15 |72.25 25.5 2.25 |72.25 27.75 |85.56 86.13 15 10 |76.5 22 1.5 |76.5 23.5 |87.88 88.25 15 5 |80.75 18.5 0.75 |80.75 19.25 |90.19 90.38 ----------------+-----------------------+---------------+--------------- 10 10 |81 18 1 |81 19 |90.25 90.5 10 5 |85.5 15 0.5 |85.5 14.5 |92.63 92.75 ----------------+-----------------------+---------------+--------------- 5 5 |90.25 9.5 0.25 |90.25 9.75 |95.06 95.13
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Now, if you're interested in how it actually works from a mathematical perspective...
Formulas to calculate percentages:
1st % = modifier on one equipped item
2nd % = modifier on other equipped item
Casting %
Full % = (1 - 1st %) x (1 - 2nd %)
Half % = 1 - Regular % - Quarter %
Qtr % = 1st % x 2nd %
Avg Time % = Regular % + (Half % / 2) + (Quarter % / 4)
Recharge %
Full % = (1 - 1st %) x (1 - 2nd %)
Half % = 1 - Regular %
Avg Time % = Regular % + (Half % / 2)
Graphical representation:
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