battle_hardened_2.xml

<abilities>
  <ability>
    <clone>battle_hardened</clone>
    <key>battle_hardened_2</key>
    <description>
      Gain ⮃+1.25%⮃ physical resist for every 5% missing health.
    </description>
    <passiveInfo>
      <modifiers>
        <modifiers>
          <type>PhysicalResist</type>
          <amount>0.0</amount>
          <modifierConversion>
            <type>MissingHealthPercent</type>
            <multiplier>0.125</multiplier>
          </modifierConversion>
        </modifiers>
      </modifiers>
    </passiveInfo>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredPoints>1</requiredPoints>
      </unlockRequirements>
      <replaces>battle_hardened</replaces>
    </unlockInfo>
  </ability>
</abilities>