Berserker
A Berserker’s Rage is that of unrestrained violence and untamable fury. They are a menaces that break the lines of the enemy wreaking havoc. Their Rage seeps deep into every fiber of their being and mind becoming a force that shields them even as it consumes them. It is said that the Berserker Barbarian is the original Barbarian though naturally every other Barbarian will come to blows at the mention of this.
Subclass Features
Frenzy
A Berserker can stoke their fury to new levels in the form of a Frenzy. You can go into a Frenzy when you Rage (No action required). If you do so, for the duration of your Rage you can use your bonus action to make a melee or unarmed strike, throw an object, or Shove a creature on each of your turns after this one.
Mindless Rage
Your mind becomes enraptured in your Rage. You can't be Charmed or Frightened while Raging. If you are Charmed or Frightened when you enter your Rage, the effect is suspended for the duration of the Rage.
Battle Fury
The thrill of Reckless Attacks and your Frenzy combine into a savage fury. The first target you hit with a weapon or unarmed strike each turn is dealt extra damage of the damage damage type equal to a number of D6s equal to your Rage bonus damage. The target must be attacked recklessly and in a Frenzy for this damage to apply.
Retaliation
Any puny contenter who harms you will be met with swift retribution. When you take damage from a creature that is within 5 ft of you, you can use your reaction to make a melee weapon attack or unarmed strike against that creature.
Berserk Soul
Your Rage takes control of your mind and body. When you go into a Rage and choose to enter a Frenzy you can also go Berserk (No action required). While Berserk you have the following features
You can only attack Recklessly.
You are Immune to Psychic damage.
You attack twice when you use your Retaliation feature.