Path of the Ballista

Barbarians often need to get right next to enemies to cut them down and are completely helpless at range. one barbarian was made so mad she couldn't hit somebody across a chasm that she grabbed the nearby archer's bow and an arrow and pulled back with all her strength before letting fly an arrow with such power it went straight through the target leaving a hole in them as the arrow hit the rockface behind. 

For barbarians of the ballista their anger and strength allows them to release arrows with far more power than any elf could muster.

Rage Shot

Starting when you choose this path at 3rd level, you may apply your rage bonus damage to ranged weapon attacks using a bow or longbow.

Powerful Shot

 Beginning at 6th level, you may use strength as the modifier for ranged weapon attacks with a shortbow or longbow.

additionally starting at level 9 you may apply Brutal Critical dice to ranged attacks with a shortbow  or longbow

Steadfast Sniper

Beginning at 10th level, ranged attacks you make with no cover have an additional +2 to hit and deal an additional 1d6 plus 1d6 for every 100 feet away your target is

Pierce

Starting at 14th level, when an attack you make with a bow or longbow that applies strength reduces a creature to 0 hit points, damage is dealt to a creature within 5 feet of it opposite to you equal to 3/4 the attacks damage - the hit points the enemy had before your attack

if a creature damaged this way is reduced to 0 hit points, damage is dealt to an additional creature within 5 feet of it opposite to you in the same way. this second damage can not trigger another