crystal_conservation.xml

<abilities>
  <ability>
    <name>Crystal Conservation</name>
    <key>crystal_conservation</key>
    <skill>enchanting</skill>
    <icon>crystal_conservation</icon>
    <description>
      Reduce the Crystal Cost of all enchantments by 1 (minimum cost is 1).
    </description>
    <type>passive</type>
    <passiveInfo>
      <modifiers>
        <modifiers>
          <type>EnchantingCrystalReduction</type>
          <amount>1.0</amount>
        </modifiers>
      </modifiers>
    </passiveInfo>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredPoints>1</requiredPoints>
        <requires>crystal_trickery</requires>
      </unlockRequirements>
    </unlockInfo>
  </ability>
</abilities>