fire_ball4.xml

<abilities>
  <ability>
    <clone>fire_ball</clone>
    <key>fire_ball4</key>
    <description>
      Send a ball of fire at a tile within 5 tiles. It explodes in a 3x3 area, dealing ⮃18 Fire Damage⮃ to all
      creatures in it and leaving fire on every tile.
      [p]Ignited creatures take an additional ⮃18 Fire Damage⮃.
    </description>
    <cooldown>7</cooldown>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredPoints>1</requiredPoints>
      </unlockRequirements>
      <replaces>fire_ball3</replaces>
    </unlockInfo>
    <attacks>
      <attacks>
        <count>0</count>
        <perTargetModifiers>
          <modifiers>
            <modifiers>
              <type>MinimumFireDamage</type>
              <amount>18.0</amount>
            </modifiers>
            <modifiers>
              <type>MaximumFireDamage</type>
              <amount>18.0</amount>
            </modifiers>
          </modifiers>
          <requirements>
            <requirements>
              <type>Condition</type>
              <params>
                <params type="condition">HasStatusEffect -> key:ignited</params>
              </params>
            </requirements>
          </requirements>
        </perTargetModifiers>
        <modifiers>
          <modifiers>
            <type>MinimumFireDamage</type>
            <amount>18.0</amount>
          </modifiers>
          <modifiers>
            <type>MaximumFireDamage</type>
            <amount>18.0</amount>
          </modifiers>
        </modifiers>
        <specialModifiers>
          <specialModifiers>
            <type>IgnoreBaseDamage</type>
            <amount>0</amount>
          </specialModifiers>
          <specialModifiers>
            <type>AlwaysHit</type>
            <amount>0</amount>
          </specialModifiers>
          <specialModifiers>
            <type>NoSlide</type>
            <amount>0</amount>
          </specialModifiers>
          <specialModifiers>
            <type>IsMagic</type>
            <amount>0</amount>
          </specialModifiers>
        </specialModifiers>
        <tileEffects>
          <tileEffects>
            THEN PlaceFire -> singleTile:true, fireSize:small, sizeIncreaseStat:FireSizeIncrease;
            THEN ShowAnimation -> key:fire_pop;
          </tileEffects>
        </tileEffects>
      </attacks>
    </attacks>
  </ability>
</abilities>