defensive_blows.xml

<abilities>
  <ability>
    <name>Defensive Blows</name>
    <key>defensive_blows</key>
    <skill>Unarmed</skill>
    <icon>unarmed_13</icon>
    <tagline>"When your attacks come swifter than thought, so too does your fortress of steel."</tagline>
    <description>
      Gain ⮃2 Shield⮃ whenever you attack an enemy.
      [p]Shield absorbs incoming damage and is shown as blue on your health bar.
      [n]Shield automatically reduces by 1 per turn.
    </description>
    <type>Passive</type>
    <subType>0_Passives</subType>
    <passiveInfo>
      <triggers>
        <triggers>
          KEY defensive_blows_1;
          WHEN PlayerAttacks;
          THEN GiveShield -> amount:2;
        </triggers>
      </triggers>
    </passiveInfo>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredLevel>3</requiredLevel>
        <requiredPoints>2</requiredPoints>
      </unlockRequirements>
    </unlockInfo>
    <requirements>
      <requirements>
        <type>Weapon</type>
        <params>
          <params type="weapon">Unarmed</params>
        </params>
      </requirements>
    </requirements>
  </ability>
</abilities>