Path of the Executioner

The Executioners bring justice through the death of criminals. The Executioner barbarian, a mighty arbiter, destroys his enemies to rejuvenate themselves and strike fear into enemies.

Death Expert

You are very knowledgeable in death and its causes. You gain Proficiency (Expertise if you already have it) in Intimidation, and have Advantage on Perception and Investigation checks involving corpses or weapons.

Execute

Starting when you choose this path at 3rd level, when you rage, you can make a brutal attack called an execution. While you are raging, if you score a critical hit, you may instantly kill anything with hp below your level times 10 a number of times equal to your proficiency modifier.

Executioner’s Weapon

You may make any melee weapon into your Executioner’s weapon. Executioner’s Weapon: you have a +1 to hit, and deal 1d6 additional necrotic damage. In addition, you gain Advantage on attacks while raging 

Brutal finisher

Beginning at 6th level, your kills are brutal enough to make others fear fighting you. If you kill an enemy, all enemies nearby must make a WIS save (DC 14) or become Frightened. If you Executed the enemy, this save is made with disadvantage. You may use this ability a number of times equal to your STR modifier +1

Vigor in Death

Beginning at 10th level, you have learned how to regain your health with your kills. when you kill an opponent, you regain 1D12 hit points plus your proficiency modifier, doubled during rage

Mighty Cleave

Also at 14th level, you can use Execute without a critical hit a number of times equal to your strength modifier

Triple Critical

Starting at 14th level, you score a critical hit on an 18, 19, or 20