Path of the War Caller

Taking the path of the War Caller hones your voice to be a threatening presence against your foes and a rallying force to your allies. Adrenaline pumps through your veins, giving great effect to your voice. Booming thunder, roaring waves, screams of the mad and the monsters, none match the strength of your battle cry. War Callers specialize in turning the tide of battle in their favor, and any compatriots that choose to join them. Become the sound of war, your Barbaric shouting inspires those who follow, and cripple those who oppose. The fight isn't over till the big guy stops screaming.

Battle Hymn

Starting when you choose this path at 3rd level, your voice becomes a powerful tool to use in battle. Twice per Short rest when you enter Rage start a War Chant and on each of your subsequent turns after while raging you may continue the War Chant using your bonus action. When you choose this subclass at 3rd level you choose 1 War Chant, you gain an additional War Chant at levels 6,10 and 14.

Whenever you start a War Chant gain 1(d8+your Constitution Modifier) Temporary Hit Points and designate up to your Proficiency bonus of creatures you can see to join the Chant.

You can only have one active War Chant at a time, you must end your current Rage and enter Rage again to use a new War Chant. If your Rage ends your War Chant ends as well.

These War Chants can be heard across the battlefield to both friend and foe, having a different effect on both.

Friend: While your War Chant is active those chosen to join the Chant may use their Bonus action to gain the "Friend" effects of your Chant until the Start of their next turn.

Foe: While your War Chant is active Enemies within 30 feet of you must succeed a (DC 8 + your Proficiency Bonus + your Constitution modifier) Wisdom Saving throw at the beginning of their turns or suffer the "Foe" effects of your Chant. Leaving the range of the Chant also ends its effects.

War Chant of Conquest

When you use this War Chant creatures within 30 feet of  you gain the following effects.

Friend: Attacks you make with a Melee or Ranged Weapon have Advantage and on hit the target is knocked back 5 feet.

Foe: Target cannot make Opportunity attacks against you or Allies actively gaining the "Friend" effects of your Chant.

War Chant of Courage

When you use this War Chant creatures within 30 feet of  you gain the following effects.

Friend: You may add 1(d4) to any number of Ability checks, Saving throws or Attack rolls you make.

Foe: Target subtracts 1(d4) to any number of Ability checks, Saving throws or Attack rolls they make.

War Chant of Death

When you use this War Chant creatures within 30 feet of  you gain the following effects.

Friend: Gain 5 additional feet of Walking Speed and your attacks made with a Melee or Ranged Weapon deal an extra 1(d6) of their respected damage type.

Foe: Target has Disadvantage on STR and DEX Saves and is Frightened by you and Allies actively gaining the "Friend" effects of your War Chant.)

War Chant of Resilience

When you use this War Chant creatures within 30 feet of  you gain the following effects.

Friend: Gain 1(d8+your CON Modifier) Temporary Hit Points, and a +1 bonus to your AC.

Foe: Target has Disadvantage on attacks made against you and your allies who are actively gaining the Friend effects of your Chant.

Barbaric Inspiration

Beginning at 6th level once per Long rest when you first enter Rage you may activate Barbaric Inspiration, you and a number of allies within 30 feet of you equal to your CON modifier receive one Barbaric Inspiration die 1(d6) that they may add to any attack roll or damage roll they make using a Melee or Ranged Weapon. The Barbaric Inspiration die damage type shares the weapons damage type. 

This die increases to a (d8) at level 10 and increases to a (d10) at level 14.

Unyielding Voice

Beginning at 10th level, while your War Chant is active you have resistance against Psychic Damage and have Advantage on Wisdom and Charisma Saving throws. Your Rage can also be maintained so long as your War Chant is active.

Synchronized Combat

Starting at 14th level, when an ally actively gaining the benefits of the "Friend" effects of your War Chant deals damage to an enemy within Melee Range of you, you may use your Reaction to make an attack against that enemy, if a Barbaric Inspiration die is used on this attack the result of the Barbaric Inspiration die is doubled.