verdict_stacks.xml

<abilities>
  <ability>
    <name>Verdict Stacks</name>
    <key>verdict_stacks</key>
    <skill>Axes</skill>
    <icon>verdict_stacks</icon>
    <tagline>"The hottest tempers bide their time."</tagline>
    <description>
      Kill enemies to build up bonus damage for your next use of Executioner's strike:
      [p]Whenever you kill an enemy, gain 1 stack of "Executioners verdict", up max of 10. On use of
      Executioner's strike, consume the stacks to gain +10% damage for each.
      [p]Stacks fade after 500 turns.
    </description>
    <type>upgrade</type>
    <passiveInfo>
      <triggers>
        <triggers>
          KEY verdict_stacks_trigger;
          WHEN PlayerKillsEnemy -> require_non_human:true;
          THEN ModifyGlobalFlag -> global_flag:verdict_stacks, operation:add, amount:1;
          THEN ModifyGlobalFlag -> global_flag:verdict_stacks, operation:minimum, amount:10;
          THEN ApplyStatusEffect -> key:«LINK:executioners_verdict», target:player, refresh:true;
        </triggers>
      </triggers>
    </passiveInfo>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredLevel>0</requiredLevel>
        <requiredPoints>2</requiredPoints>
        <requires>executioners_strike</requires>
      </unlockRequirements>
    </unlockInfo>
  </ability>
</abilities>