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Magic Crit

Thank you @Crossto for the guide.

When you deal a magic critical, your magic damage is multiplied by 4. Calculating chances are below.

Magic Critical Rate Formula

Signature:

  • Everything remains retail. Hero weapons were changed, but the magic critical chance was not changed.
  • Augments come with Interlude.
mcrit_rate = (0.8 * wit_mod * buff_mod * item_mod)

Eternal:

  • Eternal uses custom values when calculating magic critical rate. Active and passive augment effects are halved. Whole magic critical rate is capped to 70%.
mcrit_rate = min(0.8 * wit_mod * buff_mod * item_mod, 70)
  • With current setup it's impossible to hit the 70% cap without highly contested items (Hero weapon, Necklace of Valakas). Solo Mystic Muse with +4 WIT, Dark Crystal Set, all buffs, active+passive WM augment can reach 56% magic critical rate.

WIT modifier

WIT mod WIT mod WIT mod
1 0.40 11 0.64 21 1.05
2 0.42 12 0.68 22 1.10
3 0.44 13 0.72 23 1.16
4 0.46 14 0.75 24 1.22
5 0.48 15 0.78 25 1.28
6 0.51 16 0.82 26 1.34
7 0.53 17 0.86 27 1.41
8 0.56 18 0.91 28 1.48
9 0.58 19 0.95 29 1.55
10 0.61 20 1.00 30 1.63
31 1.71

or by formula (result stripped to 2 decimal places)

wit_mod = (1.05**(wit - 20) * 100 + 0.5) / 100

  • Buff modifier

    If you have more than one buff the effect is multiplied (eg. buff mod is 24 if you have fullbuff).

    buff mod
    Wild Magic lvl. 1 3
    Wild Magic lvl. 2 4
    Siren's Dance 3
    Prophecy of Water 2
    Curse of Abyss 0.7

  • Item modifier

    item mod
    Active Wild Magic Augment lvl. 10 1.5 (Eternal)
    2 (IL)
    Passive Wild Magic Augment lvl. 10 1.25 (Eternal)
    1.5 (IL)
    Infinity Scepter 1.54
    Necklace of Valakas 2

Calculator



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