I Cast Fist

Subclass featureValdaPlayerPack2014Barbarian

You can crush your enemies with your ultimate "spell":

Fist

When you take the Attack action while your XPHB is active, you can replace one of your attacks with a really hard punch. Make an Unarmed Strike with Advantage. On a hit, the target takes Bludgeoning damage equal to 6d6 plus your Strength modifier and has the Prone condition if it is Huge or smaller. You can use this feature once per active Rage.

Raw data

{
  "name": "I Cast Fist",
  "level": 14,
  "__prop": "subclassFeature",
  "header": 2,
  "source": "ValdaPlayerPack",
  "entries": [
    "You can crush your enemies with your ultimate \"spell\":",
    {
      "name": "Fist",
      "type": "entries",
      "entries": [
        "When you take the {@action Attack|XPHB} action while your {@classFeature Rage|Barbarian|XPHB|1} is active, you can replace one of your attacks with a really hard punch. Make an {@variantrule Unarmed Strike|XPHB} with {@variantrule Advantage|XPHB}. On a hit, the target takes Bludgeoning damage equal to {@dice 6d6} plus your Strength modifier and has the {@condition Prone|XPHB} condition if it is Huge or smaller. You can use this feature once per active Rage."
      ]
    }
  ],
  "className": "Barbarian",
  "classSource": "XPHB",
  "foundrySystem": {
    "uses": {
      "max": ""
    }
  },
  "subclassSource": "ValdaPlayerPack",
  "subclassShortName": "Muscle Wizard"
}