I need a math nerd please! (Mana reservation question)
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I'm a little lost here on exactly how this would play out mathematically. Could someone please let me know how much 1 aura would cost in game that is 60% and 40% under these conditions.
Blood Magic Keystone Mortal Conviction, after Blood Magic (40% LESS mana reserved) Prism Guardian (25% reduced mana reserved) 46% Reduced Mana Reserved (from Tree) Level 21 Reduced mana in the Prism Guardian (30% reduced mana reserved) So, mana reductions are 25%+30%+46% and also a 40% Less. I'm assuming the reductions don't add up otherwise it would be 101% reduced which by itself would make the 2 auras in the shield free. If this requires you to know my life pool, and isn't calculated by percentages, just assume it's for a 3000 life character. Thanks in advance! IGN = Dellusions_Duelist
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The 46% and 25% do add together but the 30% is separate and the 40% less is also separate. Basically, with some rounding involved it'll be (1 - 30%) * (1 - 46% - 25%) * (1 - 40%) = 12%. Again, that's not exact and will depend on the gem setup, but it's close enough.
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" So a 60% aura would cost 12% of my life? so a 40% would cost 8%? Is that correct? And thanks! IGN = Dellusions_Duelist
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It would actually be 60% times that percentage. Due to rounding I think it'll be 8% for a 60% aura and 5% for a 40% aura. These's an online aura calculator that's pretty good. I forget the web address though.
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Spoiler
http://poe.mikelat.com/
Spoiler
http://fogz.mine.nu:8080/poe_reserved_calc/
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Mikelat's is guaranteed to be accurate. The older one doesn't always round properly.
In short: 1. RM is a separate multiplier, round down. 2. Reduced is additive, Less is multiplicative, calculate as follows: (100 - %Reduced) * (100 - %Less) / 100 - 100 = total %-Reduction 3. Base Reserve * total %-Reduction = final Reduction, round down 4. Base Reserve - final Reduction = final Reservation Step 2 is only required if you have both Reduced and Less type multipliers, of course. :) 60 * 0.7 = 42 (100 - (46+25)) * (100 - 40) / 100 - 100 = -82.6, rounds to 82% 42 * 0.82 = 34.44, round to 34 42 - 34 = 8% Reserved -------- A level 21 RM gets you nothing over a level 20 RM: 60 * 0.71 = 42.6, rounds to 42% 60 * 0.70 = 42% 40 * 0.71 = 28.4, rounds to 28% 40 * 0.70 = 28% You need to hit level 22 to get any benefit, which you cannot do in a Prism Guardian (only grants +1 Level to Aura Gems). Last edited by Vipermagi on Jul 24, 2014, 5:46:29 PM
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" So if the prism guardian were corrupted with +1 all gems, then it would be worth the level 21 RM, otherwise not. Thanks. IGN = Dellusions_Duelist
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