Bellower

Overcome by the spirit of the great Banshee, you are able to channel some of her phantom power through your rage. When you enter a rage, your features become slightly translucent, and your movements seem slightly otherworldly to those around you. 

Bellow

When you enter your rage and again on each subsequent turn while raging you can use a bonus action to emit a powerful shriek in a 15 foot cone out from your current position. Expend hit die(up to your proficiency bonus plus one) and roll them. Creatures in the range of this shriek must make a Wis save or take thunder damage equal to the result and are deafend for one minute. They can repeat this saving throw again at the end of each of their turns to end the effect. Constitution +8 +your proficiency bonus is this abilities save DC.You also gain a fly speed equal to your walking speed while raging.

Boom Box

Beginning at level 6, when take the attack action while raging, you can add 1d6 +Con bonus damage to every melee attack you made.

Aspect of the Banshee

You gain immunity to thunder damage, and have advantage on saves against any ability that relies on sound.

While raging, when you are subject to any source of damage you can see, you can use your Reaction to temporarily turn semi-ethereal and gain resistance to all of the sources damage types until after damage calculation.

Belting

Starting at 14th level, When you are raging and you or a creature you can see is critically hit, you regain all of your spent hit die.