potent_concoctions.xml

<abilities>
  <ability>
    <isSkillBonus>true</isSkillBonus>
    <name>Potent Concoctions</name>
    <key>potent_concoctions</key>
    <skill>alchemy</skill>
    <color>80545e</color>
    <icon>alchemy_1</icon>
    <description>
      Each alchemy level grants a +2% chance to create a potent version of any potion or poison brewed.
    </description>
    <type>passive</type>
    <passiveInfo>
      <modifiers>
        <modifiers>
          <type>AlchemyPotencyChance</type>
          <amount>0.02</amount>
          <multiplier>alchemy</multiplier>
        </modifiers>
      </modifiers>
    </passiveInfo>
    <unlockInfo>
      <autoUnlock>0</autoUnlock>
    </unlockInfo>
  </ability>
</abilities>