tireless_attacker_3.xml

<abilities>
  <ability>
    <clone>tireless_attacker</clone>
    <key>tireless_attacker_3</key>
    <description>
      ⮃-3 attack energy cost⮃ while unarmed.
    </description>
    <passiveInfo>
      <modifiers>
        <modifiers>
          <type>AttackCost</type>
          <amount>-3.0</amount>
        </modifiers>
      </modifiers>
    </passiveInfo>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredPoints>1</requiredPoints>
      </unlockRequirements>
      <replaces>tireless_attacker_2</replaces>
    </unlockInfo>
  </ability>
</abilities>