perfect_finish.xml

<abilities>
  <ability>
    <name>Perfect Finish</name>
    <key>perfect_finish</key>
    <skill>Swords</skill>
    <icon>perfect_finish</icon>
    <tagline>"Leave no room for doubt."</tagline>
    <description>
      If Coup de Grace kills its target, gain 30 Energy and reset its cooldown.
    </description>
    <type>Upgrade</type>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredPoints>3</requiredPoints>
        <requires>coup_de_grace</requires>
      </unlockRequirements>
    </unlockInfo>
  </ability>
</abilities>