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What's the difference between the brock and wolf potions? They're both described as increasing critical effect chance for the same attributes but brock costs more and also has a negative effect. Wolf has no negative effects. It seems as if brock is redundant?

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According to the Witcher Wiki:

Brock potion:

Poison +15%
Bleeding +15%
Incineration +15%
Resistance to poison -50%
Resistance to bleeding -50%
Resistance to incineration -50%
Chance of incineration  with Igni +15%
Aard critical effects chance +15%
Toxicity: 50

Wolf potion:
Poison +15%
Bleeding +15%
Incineration +15%
Chance of incineration with Igni: +32%
Aard critical effect chance: +15%
Toxicity: 25

As you can see, there is a difference between the two potions, and that is the resistance to ... the Brock potion has. To me, it seems redundant, as it's toxicity amount is high, and it should be used perhaps together with the Golden Oriole potion, to neutralize the Brock's negative effects.

In fact, the Wolf potion has as you said:

  • 1/2 the toxicity of Brock
  • No side effects (whereas Brock -50% of all resistances)
  • Same duration as Brock
  • Same 15% to all critical effects
  • is cheaper than Brock (formula)

Seems like a game mechanic bug to me.

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wolf has double incinerationg chance with ignit, also. This looks like it might be a copy + paste error in an XML somewhere. – Raven Dreamer Oct 31 '11 at 23:09
That is exactly what I thought. See this last post on this website, where someone has investigated the corresponding XML files:… – Wimpey Oct 31 '11 at 23:46

If you go the way of the alchemist there are some advantages to being poisoned. Also the negative effects of potions can be lessened/removed. Thus you might prefer to use a potion with higher toxicity if you specialize in alchemy.

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