Path of the Cowboy Viking

  As you grow in your fighting capacities, you start to learn about the viking runes

Viking Rune - Improved Rage

At 3rd level, you can make a melee weapon attack as a Bonus Action while raging and add your rage bonus.

Viking Rune - Madness

At 6th-level you gain the ability to activate one viking rune to transform your rage into madness rage. While activate you can move without taking attack of opportunities and can reroll up to 3 damage dice rolls of your turn.

Viking Rune - Charge

At 10th-level you can Charge at enemies everytime you activate your Rage. Charging allow you to move your Speed as a Free Action towards an enemy and make a melee attack at the creature

Viking Rune - Power of the storm

At 14th-level you learn to use the power of the storm. As a bonus action, while raging, you can infuse your next attack with +4d6 of Lighting or Cold damage.