Lone Wolf Development Forums - Brute (Fighter Archetype)?

It's only from an Unearthed Arcana supplement, which is unofficial content. Some UA has been added to the Community Pack, but not all and it's not a priority.

That said, I did make a quick and dirty version of it a while back. Just make a new .user file in your 5e data folder and put this in it:
Code:
<?xml version="1.0" encoding="UTF-8"?>

<document signature="Hero Lab Data">

  <thing id="cFtr5CUABru" name="Brute" compset="CustomSpec" uniqueness="unique">

    <tag group="Helper" tag="Secondary" name="Secondary" abbrev="Secondary"/>

    <tag group="SpecSource" tag="cHelpFtr" name="Fighter" abbrev="Fighter"/>

    <tag group="abCategory" tag="FtrMarArch" name="Fighter Martial Archetype" abbrev="Fighter Martial Archetype"/>

    <tag group="Helper" tag="SpecUp"/>

    <bootstrap thing="cFtrAdFiSt">

      <autotag group="ClSpecWhen" tag="10"/>

      </bootstrap>

    <bootstrap thing="cFtrUADevCr">

      <autotag group="ClSpecWhen" tag="15"/>

      </bootstrap>

    <bootstrap thing="cFtrSurviv">

      <autotag group="ClSpecWhen" tag="18"/>

      </bootstrap>

    <bootstrap thing="cFtrUABruDu">

      <autotag group="ClSpecWhen" tag="7"/>

      </bootstrap>

    <bootstrap thing="cFtrUABruFo">

      <autotag group="ClSpecWhen" tag="3"/>

      </bootstrap>

    </thing>

  <thing id="cFtrUABruFo" name="Brute Force" description="Beginning when you choose this archetype at 3rd level, attacks made with weapons with which you are proficient deal extra damage. This increases as your fighter level increases.\n\n3rd Level: 1d4\n10th Level: 1d6\n16th Level: 1d8\n20th Level: 1d10" compset="ClSpecial" summary="Your weapon attacks do extra damage depending on your level.">

    <tag group="abAction" tag="None" name="No action" abbrev="None"/>

    <tag group="abDuration" tag="Constant" name="Constant" abbrev="cons"/>

    <tag group="abRange" tag="Personal" name="Personal" abbrev="pers"/>

    <eval phase="PostLevel" priority="10000"><![CDATA[~ If we're not shown, just get out now

      doneif (tagis[Helper.ShowSpec] = 0)



~ Set the abvalue to the type of die



      if (#levelcount[Fighter] >= 20 ) then

      field[abValue].value =10

      elseif (#levelcount[Fighter] >= 16 ) then

      field[abValue].value =8

      elseif (#levelcount[Fighter]  >= 10 ) then

      field[abValue].value =6

      elseif (#levelcount[Fighter]  >= 3 ) then

      field[abValue].value =4

      endif



~ Add the appropriate damage die to all proficient weapons

foreach pick in hero from BaseWep

      eachpick.field[wDamExtra].text &= " + 1d" & field[abValue].value

      nexteach]]></eval>

    </thing>

  <thing id="cFtrUABruDu" name="Brutish Durability" description="You may add 1d6 to all saving throws. If adding this amount brings a death saving throw to 20 or higher, you may treat it as a roll of 20." compset="ClSpecial" summary="Add 1d6 to all saving throws">

    <tag group="abAction" tag="None" name="No action" abbrev="None"/>

    <tag group="abDuration" tag="Constant" name="Constant" abbrev="cons"/>

    <tag group="abRange" tag="Personal" name="Personal" abbrev="pers"/>

    <eval phase="PostLevel" priority="10000"><![CDATA[      ~if we've been replaced, get out now

      doneif (tagis[Helper.Disable] <> 0)

      #situational[hero.child[svAll],"Add 1d6",field[thingname].text]]]></eval>

    </thing>

  <thing id="cFtrUADevCr" name="Devastating Critical" description="Whenever you score a critical hit with a weapon attack, you deal extra damage equal to your fighter level." compset="ClSpecial" summary="You deal extra damage to your fighter level on critical hits.">

    <tag group="abAction" tag="None" name="No action" abbrev="None"/>

    <tag group="abDuration" tag="Constant" name="Constant" abbrev="cons"/>

    <tag group="abRange" tag="Personal" name="Personal" abbrev="pers"/>

    </thing>

  </document>