Tempest Rogue

As a Tempest Rogue you have honed yourself to posses the speed and precision of Lightning. You wait until the perfect moment, then strike in a flash of stunning light dashing across the battlefield.

Lightning Dash

Starting at 3rd level, you gain the ability to dash with the speed and power of a lightning strike. As a Bonus Action you may activate Lightning Dash. This grants you extra movement speed equal to your Proficiency Bonus + Your Dexterity Modifier x6. While in Lightning Dash, you leave behind a trail of lightning in your wake, dealing 1d6 Lightning Damage to any creature who you have moved through, as well as this, moving 20ft or more towards a creature during Lightning Dash grants you Sneak Attack, which now deals Lightning Damage.

Lightning Dash lasts until the end of your turn.

Chained Lightning

Starting at 9th level, your control over your Lightning Dash has improved, whenever you reduce a creature to 0 Hit Points during Lightning Dash, your Attacks per Action reset. As well as this, you gain resistance to Lightning Damage and heal from Thunder Damage caused by an ally. 

Electric Exit

By 13th level, you have learned to better retreat after a successful Lightning Dash. After reducing a creature to 0 Hit Points at least twice during a Lightning Dash you may move up to 30ft away and take the Hide action.

Circuit Breaker

When you reach 17th level, you gain advantage on attacks against targets who have recently taken Thunder Damage, As well as this, you gain immunity to Lightning Damage.