Way of lightning strike

You've trained atop a mountain where lightning strikes almost constantly. You've learned to harness and release the power of lightning.

Striker Body

When you choose this tradition at 3rd level, you gain resistance to lightning damage, you gain a +3 to unarmed strike attacks, and you gain the ability to cast lightning lure as a bonus action this action takes 1 ki point to cast. (Your spell DC is 8 + wisdom modifier + strength modifier)

Lightning Channeling

At 6th level you gain the ability to absorb any lightning damage and ether heal that much damage or use that damage to deal bonus lightning damage for your next attack for your next attack. 

Energy control

Starting at 11th level, for 2 ki points you gain the ability to shot out bolts of lightning energy at a range of 20 ft., for 1 ki point you gain the ability to summon an energy barrier that temperately as a reaction that gives you resistance to all ranged spells, you also are also immune to lightning damage and resistance to thunder damage. 

True Lightning Strike

At level 17 your mastery over lightning reaches its highest form, you gain the following abilities.
-Lightning Punch: For one of your unarmed strikes you can focus lightning energy in your fist and strike one target. This attack deals 6d8 points of lightning damage. You can use this ability equal to your dexterity modifier +1. (minimum is 1)
-Lightning Strike: If you are outside in an open area you can make a bolt of lightning strike from the sky. You target any space you can see, any creature in that space and any creature within a 10 ft. cube of that space takes must make a dexterity saving throw or they take 10d8 points of lightning damage and 2d6 points of thunder damage, on a successful save the targeted creatures take half damage. You can use this ability equal to your dexterity modifier +1. (minimum is 1)