Path of the Herald

Starting at third level you can expend an extra daily rage to allow a creature who can see and hear you to enter a rage as well. Also proficient in History and Performance

Level 3: Oral Tradition

Starting at 3rd level, gain proficiency in History and Performance. If you already have proficiency in one of these stats, the bonus is doubled.

Battle Fervor

Starting at 3rd level, whenever you enter a rage you may expend an additional daily charge of rage to allow another creature who can see and hear you to enter a rage as well. THe rage ends under normal circumstances and also if that creature can no longer see or hear you.

Level 6: Lorekeeper

Starting at 6th level you can choose to cast augury, comprehend languages, or identify, but only as a ritual. Once this is used it cannot be used again until a short or long rest.

Level 10: Bolstering Chant

Starting at 10th level when you end your rage you gain a number of hit points equal to your barbarian level x3. You can also use this ability to heal yourself and a creature affected by your battle fervor. In that case you each gain hit points equal to your barbarian level + your Charisma modifier.

Thunderous Oratory

Starting at 14th level your attacks deal an extra 2d6 Thunder damage. Any creature raging because of Battle Fervor adds 1d6 Thunder damage to attacks. In addition, when you or any creature raging because of Battle Fervor lands a critical hit the target must succeed on a Strength saving throw with a DC equal to 8 + proficiency bonus + Charisma modifier, or be pushed back 10 feet.