path of the great blade

path of the great blade barbarians live by the great blade and hope to one day die by the great blade

offensive and defensive rage

Starting when you choose this path at 3rd level, if you are wielding a weapon with two handed property or a versatile weapon with two hands when you rage you may choose to enter into a offensive form or a defensive form gaining different benefits based on the choice you make.

offensive form. in offensive form you deal your rage damage bonus trice instead of once on your attacks

defensive form. in defensive you gain a bonus to your unarmored ac equal to your proficiency bonus however because of the way you need to hold the weapon its damage is reduced to 1d6

offensive or defensive switch

Beginning at 6th level, you can use any type of action to switch between your offensive and defensive form

offensive and defensive prowess

Beginning at 10th level, wile in offensive form you gain additional benefits, you gain the ability to use your bonus action to take the dash action, if you move at least 10ft with the dash action you ca attack once as a part of the same bonus action . wile in defensive form you gain the following benefit  wile in defensive form you gain half cover from directly in front of you 

Retaliation

Starting at 14th level, When you take damage from a creature that is within 5 feet of you wile in offensive form you can make one melee attack against the target, in defensive form you can use your reaction to gain immunity to bludgeoning piercing and slashing damage