Credit: Blizard Entertainment and DiabloFans Forum user Zlexpro

Path of the Bolt-Born

The Path of the Bolt-Born is a path of power born through lightning that courses thorugh the veins of those powerful enough to master the bolts and forks of pure energy.

Electric familiarity.

When you choose this path at 3rd level, you gain an affinity to electricity, allowing it to protect you and empower you. When you fly into a rage, you channel energy from within and unleash it to boost your abilities. The electric powers of lightning is your friend.

You gain resistance to lightning damage while raging.

Also, The bonus damage to melee attacks granted by your rage is also granted to ranged attacks, but can only be made as lightning damage.

Blistering Rage

A level 3, you channel you electric powers to boost your abilities. When you fly into a rage or come out of a rage, all creatures within five feet of you must make a Dexterity saving throw equal to 8 + your proficiency modifier + your Strength modifier or take 1d8 lightning damage, or half damage on a failed save. This damage increases to 2d8 at 5th level, 3d8 at 11th level, and 4d8 at 17th level. If a creature is grappled when this damage is done, they automatically fail their saving throw.

A Lightning Mind

At 6th level, you can channel your electric powers through your very mind to boost your abilites for a short time.

As an action, you choose one skill or tool. For ten minutes, you gain proficiancy in that skill or tool. Alternately you may choose any language, after which you are able to read, write, and speak that language, for one hour.

After you use this ability, you must finish a short rest before you can use this ability again.

Bolt Rider

At 10th level, you move with your lightning, skating the bolts and arcing between your enemies.

Your movement speed increases by 10 feet, and you may use your reaction to teleport to any creature within 60 feet that you can see that takes lightning damage. This range increases to 120 feet at 14th level.

You can use this teleport 3 times. You regain all charges upon finishing a short or long rest.

Also, whenever you are subjected to lightning damage, you may spend your reaction to store some of the lightning energy. The first time you hit a creature with an attack on your next turn, you may deal an extra 2d12 lightning damage to it.

Lightning Lord

You control lightning, calling it down from the heavens to smite your foes.

At 14th level, as part of entering a rage you may cast call lightning without using an action, ignoring the usual rules for casting and concentrating. When cast in this way, you may use your bonus action to call down lightning, instead of your action.

Once you use this feature, you can't use it again until you finish a long rest.