Simple Questions, Simple Answers - Page 75

On February 07 2012 17:26 don_kyuhote wrote:

It's been a while since they started handing out beta keys so I'll guess around 25,000 to 35,000?

On February 08 2012 08:34 TheYango wrote:
How exactly does "magic resistance reduction" like Ancient Apparition's Ice Vortex interact with multiple magic resistance effects (e.g. Cloak/AM passive)? I understand that multiple magic resistance effects stack multiplicatively, and that in the case of a hero with no outside magic resist, the reduction just comes off the 25% base resistance, but how does the math work out with other effects?

On February 08 2012 10:00 The Great Taste wrote:


All you do is multiply the damage done by each resistance/reduction factor, unless it has changed in Dota 2.

For example, if you had Cloak and AM passive and were affected by Ice Vortex and Decrepify, then the amount of magic damage you would take from a 200 damage nuke is:

200*0.75*0.85*0.50*1.25*1.40 = 111.5625.

In this way, magic resistance/reduction stack diminishingly.

On February 08 2012 10:11 TheYango wrote:

See, this isn't quite answering my question. I know how Decrepify, Ghost Scepter, Veil, etc. work. Those are magic damage amplification effects (i.e. they read "takes x% extra damage from spells"). Ice Vortex is magic resistance reduction (i.e. it reads "-x% spell resistance"). They don't work the same way. I know that in the case of having just the baseline 25% magic resistance, magic resistance reduction reduces additively from that (e.g. 5th rank Ice Vortex makes a 200 damage nuke do 200*1, not 200*1.25*0.75). What I want to know is whether it interacts with other sources of magic resistance in a similar manner.

On February 08 2012 15:48 igotmyown wrote:

They changed how magic resistance reduction worked, so now it is all multiplicative.

It used to be the case that the last case of modification would overwrite the previous values, so ice vortex/tauren chieftain's natural order would overwrite antimage's spell shield. This was back when planeswalker cloak would overwrite spell shield.

Tauren chieftain's natural order was actually a multiplicative effect which effectively had the same value as the listed, additive value:
Level 4, -80% magic resistance reduction. Heroes have 25% magic resistance, so effectively it would change it to 5%.
However the way they accomplished that was through approximately a +25% magic damage multiplier:
damage x 0.75 x 1.25 = damage x 0.9375 ~ damage x (1-0.05).

Now everything multiplies, which is unfortunate because that would make veil/natural order/ice vortex be great antimage counters.

On February 08 2012 23:19 PassiveAce wrote:
Can someone help explain how armor rating works in Dota2 to me a little? I read the Playdota explanation of armor but I dont think that different armor types exist in Dota2 like they did in war3 so im not sure exactly how accurate it still is.
I have heard several times that each point of armor adds about ~6% to your effective HP but I have never heard if that number suffers from diminishing returns or really anything else about how it works.
Im asking because I never really know when/if i should be buying armor or what heroes armor is good on.
Thanks all =)