How does it works?

A: Removing a hero's inate 25% magic resistance, leaving them with 0% magic reduction.

B: Amplifying the spell damage by 25%, i.e. 100 damage spell now does 125 damage, then it is reduced by the hero's magic resistance.

C: Reducing the current hero's magic resistance by 25%. Example: Heroes using Hood/Pipe or heroes with skills that gives magic resistance.

D: None of the above

1 Answer 1


If you use Veil, it "reduces" magic resistance by 25%, but remember since magic damage is calculated multiplicitavely, the enemy will still have 6% magic resistance left over. So you will deal 19% additional magic damage to a hero that had 25% base magic resistance.

Also remember Magic Resistance reduction technically does not exist, but if you hover your mouse over a hero's stats it'll say they've been reduced to 6% when in reality the magic damage is actually amplified to mimic that.

So in short, Magic Damage x 1.25 but the target still has 6% resist if he was a 25% resist hero.

stolen from reddit http://www.reddit.com/r/DotA2/comments/1vbiya/mechanics_how_does_veil_of_discord_amplify_magic/

  • This is incorrect : heros' typical base resistance is 25%, not 30%, meaning that the damage is effectively after veil : (1+0.25)*(1-0.25) = 1-0.0625 = 93.75%. Dagon will deal 400- 6.25%*400 = 375 damage
    – T_O
    Commented May 20, 2014 at 15:29
  • yes you are right. Commented May 20, 2014 at 15:32
  • Not counting Meepo. Commented May 20, 2014 at 20:55
  • @patchandthat or visage. But when you mention heros' typical magic resistance, you usually don't consider outliers
    – T_O
    Commented May 21, 2014 at 10:17

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