Path of the Armored Rager

Homebrew

Level 3: Armored Berserker

When you take this subclass at level 3 you gain proficiency with heavy armor. All your barbarian class features at their preparate levels and can rage work as normal while wearing heavy armor with none of the negative effects that a barbarian would normally have from wearing heavy armor.

Level 3: Iron Bull

At 3rd level, while wearing heavy armor you can move at least 15 feet in a straight line and charge at a target to take the attack action, do your weapons normal roll and damage on a hit the target must make a strength saving throw (DC = Strength Modifier + Weapon Attack Modifier) or be push back 10ft and knocked prone. You can use this Feature a number of times equal to your constitution modifier.

Level 6: Raging Wall

At 6th Level, Your Rage has fused into your armor making it more resistant, As a reaction you can brace when you are attacked, add your Rage Modifier to your Armor Class, and can not be knocked prone.

Level 10: Heavy Warrior

At 10th Level, You have trained your body to be pushed to its limit, while wearing heavy armor and holding a weapon the has the heavy property, add your Constitution modifier to your damage rolls.

Armor of Hate

At level 14, Your unrelenting Rage bursts forth from your armor in a torrent of hate, when you rage an aura extends 10 feet from you in all directions and is difficult terrain, creatures in this aura have disadvantage on saving throws to be knocked prone for everyone but you and creatures friendly to you.