Devastating Strikes (Mastery Point)

Dreadlocks··1 votes·1,272 views

Newb question here. How exactly does this work? **+6% Armor/Magic Penetration. **

  1. Does this mean if I don't have any armor pen/magic pen I get no use of this mastery?
  2. Does this mean if I have 7.8 Magic Pen I do 7.8 x .06 = (+.468 Magic pen)
  3. Do I get a flat 6 armor/magic pen if I have 0 armor/magic pen?
  4. How does this work with say Void Staff/Last Whisper?

Thanks for any constructive feedback :)

10 Comments

Ice Weasel X3 votes

{quoted}

Newb question here. How exactly does this work? **+6% Armor/Magic Penetration. **

  1. Does this mean if I don't have any armor pen/magic pen I get no use of this mastery?
  2. Does this mean if I have 7.8 Magic Pen I do 7.8 x .06 = (+.468 Magic pen)
  3. Do I get a flat 6 armor/magic pen if I have 0 armor pen?
  4. How does this work with say Void Staff/Last Whisper?

Thanks for any constructive feedback :)

It's not a percentage of your penetration. It's a percentage of the targeted resistance.

Example:

  • You have Devastating Strikes
  • You have 0 armor/magic penetration from any other source
  • Enemy has 25 armor and 30 magic resistance
  • You now ignore (25 x 0.06) armor and (30 x 0.06) magic resistance

If you get Last Whisper or Void Staff, you can see it stack on your stats screen (press C)

Dreadlocks1 votes

OOOOH okay so its not really penetration its "ignoring" Thanks

Ice Weasel X2 votes

{quoted}

OOOOH okay so its not really penetration its "ignoring" Thanks

Well, all penetration simply ignores amounts of resistance. Reduction actually lowers resistances rather than ignoring them. Reduction is more powerful per point (it affects all damage sources, not just your own; it also affects anything that scales off the target's resistances), but penetration is available in much larger amounts.

Dreadlocks1 votes

Thanks man :)

M Schumacher1 votes

Armor penetration works in this order:

Flat Armor reduction (e.g. Rammus tuant) Percent Armor reduction (e.g. Jarvan Q) Flat Armor penetration (e.g. Brutalizer) Percent Armor penetration (e.g. Last Whisper)

So if a target has 100 armor and is taunted by Rammus for 10 armor reduction he has 90, then he is hit by Jarvan's Q for 10% he ends up with 81 armor. If he was then attacked by someone with a brutalizer and last whisper his effective armor would go down to 53.

Magic Pen works the same way.

Mathbalnase1 votes

The above has not been accurate for well over a season. Maybe 2 seasons, now.

%pen is applied before flat pen

M Schumacher1 votes

{quoted}

The above has not been accurate for well over a season. Maybe 2 seasons, now.

%pen is applied before flat pen

Magic penetration and magic reduction are considered on the target champion in the following order:

Magic reduction, flat. Magic reduction, percentage. Magic penetration, percentage. Magic penetration, flat. Preceding Preseason 3 Patch

Magic reduction, percentage. Magic reduction, flat. Magic penetration, flat. Magic penetration, percentage.

Mathbalnase1 votes

Compare

Magic penetration, percentage. Magic penetration, flat.

to

Flat Armor penetration (e.g. Brutalizer) Percent Armor penetration (e.g. Last Whisper)

Ice Weasel X1 votes

[{quoted}](name=M Schumacher,realm=NA,application-id=3ErqAdtq,discussion-id=fRKEYrnb,comment-id=000100000000,timestamp=2015-03-14T18:19:59.274+0000)

Magic penetration and magic reduction are considered on the target champion in the following order:

Magic reduction, flat. Magic reduction, percentage. Magic penetration, percentage. Magic penetration, flat. Preceding Preseason 3 Patch

Magic reduction, percentage. Magic reduction, flat. Magic penetration, flat. Magic penetration, percentage.

That is specifically saying that they changed from what you initially stated to what Mathbalnase said.

The order on top is current. The order below is what it was before the Preseason 3 patch.

Mathbalnase1 votes

It provides the same sort of benefit as a Last Whisper and a Void Staff, but in a (multiplicatively scaling) much smaller quantity.

Against an enemy with 100 resist, and assuming you have no other penetration, you penetrate 6 resist.

If you combine it with a Last Whisper / Void Staff, you penetrate approximately 39 resist (up from 35 with just the item).

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