line_of_fire.xml

<abilities>
  <ability>
    <name>Line of Fire</name>
    <key>line_of_fire</key>
    <skill>pyromancy</skill>
    <icon>line_of_fire</icon>
    <description>
      Light a line of tiles on fire, extending up to 6 tiles from your position.
      Targets in the path take ⮃8⮃ fire damage and have a ⮃50%⮃ chance to be ignited.
      [p]The fires persist, dealing damage each turn to entities standing on them.
    </description>
    <type>Target</type>
    <abilitySoundPack>line_of_fire</abilitySoundPack>
    <cost>50.0</cost>
    <cooldown>14</cooldown>
    <targetInfo>
      <type>TileSelection</type>
      <aoeTargeting>
        <selectionArea>
          <type>square</type>
          <allowTargets>
            <allowCreature>true</allowCreature>
            <allowEmpty>true</allowEmpty>
            <allowPlayer>false</allowPlayer>
          </allowTargets>
          <params>
            <params type="width">6</params>
            <params type="height">6</params>
          </params>
        </selectionArea>
        <targetArea>
          <type>freeform1line</type>
          <params>
            <params type="length">6</params>
            <params type="calculatedWidth">calculator_line_of_fire_width</params>
          </params>
        </targetArea>
      </aoeTargeting>
      <abilityUseTime>
        <type>standard</type>
      </abilityUseTime>
    </targetInfo>
    <unlockInfo>
      <autoDiscover>0</autoDiscover>
      <unlockRequirements>
        <requiredPoints>1</requiredPoints>
      </unlockRequirements>
    </unlockInfo>
    <extraTexts>
      <extraTexts>
        {{upgrade_text -> ability:tyros_reach, text:Increased width.}}
      </extraTexts>
    </extraTexts>
    <requirements>
      <requirements>
        <type>HasStat</type>
        <params>
          <params type="key">TyrosAttunement</params>
          <params type="amount">1</params>
        </params>
      </requirements>
    </requirements>
    <attacks>
      <attacks>
        <count>0</count>
        <modifiers>
          <modifiers>
            <type>MinimumFireDamage</type>
            <amount>8.0</amount>
          </modifiers>
          <modifiers>
            <type>MaximumFireDamage</type>
            <amount>8.0</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>
        <targetEffects>
          <targetEffects>
            IF roll -> odds:0.5;
            THEN ApplyStatusEffect -> key:«LINK:ignited»;
            THEN OverheadText -> text:Ignited;
          </targetEffects>
        </targetEffects>
      </attacks>
    </attacks>
  </ability>
</abilities>