relentless_tempo.xml

<abilities>
  <ability>
    <name>Relentless Tempo</name>
    <key>relentless_tempo</key>
    <skill>Daggers</skill>
    <icon>relentless_tempo</icon>
    <tagline>"Can you keep time? I doubt it."</tagline>
    <description>
      Each hit of Thousand Cuts reduces its cooldown by 1 turn.
    </description>
    <type>upgrade</type>
    <unlockInfo>
      <autoUnlock>-1</autoUnlock>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredPoints>3</requiredPoints>
        <requires>thousand_cuts</requires>
      </unlockRequirements>
    </unlockInfo>
  </ability>
</abilities>