voltaic_binding.xml

<abilities>
  <ability>
    <name>Voltaic Binding</name>
    <key>voltaic_binding</key>
    <skill>fulmination</skill>
    <icon>voltaic_binding</icon>
    <description>
      Magnetic Pull returns 10 energy for every target pulled.
    </description>
    <type>Upgrade</type>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredPoints>2</requiredPoints>
        <requires>magnetic_pull</requires>
      </unlockRequirements>
    </unlockInfo>
  </ability>
</abilities>