Your calculations and values are wrong.
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Voidstaff gives 40% Mpen now.
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You can get 33 Mpen from boots and Orb
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% calculations act before flat
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-> 200 x 0,6 = 120
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-> 120 - 33 = 87
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If you count Sudden Impact, do it for the mr calculation as well. Leaving it out now bc of that hypocrisy.
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200 x 0,76 = 152
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152 x 0,65 = 98,8
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98,8 - 57 = 41,8
[{quoted}](name=The thigh guy,realm=NA,application-id=3ErqAdtq,discussion-id=inQjraUd,comment-id=,timestamp=2018-12-01T03:01:50.679+0000)
Tha's a pretty big difference. Note this is doing the math is ways to reduce the lowest amounts possible due to me not knowing exactly how they stack together.
This just became wrong too.
So you are building a fighter or assassin(?) with
, and probably boots? So a champ with exactly 650 health in defense and literally nothing else (except 20 armor/25 mr from boots?) is supposed to stay long enough in melee range for 6 Black Cleaver stacks? Probably not. Or is it a jointventure with a Juggernaut picking Black Cleaver for you, so you can go in and nuke the reduced target?
Also, did you consider that resistances don't scale linear? Shredding/Ignoring someones armor to 20,9% of the original value does not result in an inverse damage increase to 500%. In fact, it's actually at around 212%. And you bought 5 items for that. Any assassin will stop stacking armor penetration at 3 Lethality items or 2 + LDR, because that's already enough to get anyone with 60 armor to an effective value of 0. Maybe they'd get all 3 Lethality items + LDR to fully penetrate 90 armor. But you are sacrificing raw ad in the process. And bursting tanks is only an option when the carries are already useless. But then you are in the face of a tank who does as much damage to you as you to him, but he has 3k+ health.
Pointing out that Wits End exists if you wanna calculate best cases seems like an overkill at this point.