Mist

A gust on the storm able to decimate anyone that come close enough.

Mist Delver

When you choose this archetype at 3rd level, you learn how to generate the perfect environment for your techniques. You are able to cast using a bonus action and without material components centered on yourself the spell Fog Cloud, you can cast this spell an equal amount to your proficiency modifier per long rest.

At 13th level you learn the spell Sleet storm and you can cast it using the same conditions. You can cast this spell 2 times per long rest.

You're able to see through both your spells and natural weather effects.

Whisper of the mist

Starting at 3rd level, your training has bring you to be able to be a hunter within the mist.

You don’t need advantage on the attack roll to use your Sneak Attack against a creature if you are within the area of fog cloud or rain, and you don’t have disadvantage on the attack roll.

Haze Bender

At 9th level, you become one with the mist, While you're in the area of your Mist Delver spells or Rain, Once per turn you can teleport within the area under those effects. 

Nimbus Typhoon

Starting at 13th level, you can use your sneak attack in a new way, when you attack a creature while they are in the area of effect from your mist bringer spells, you can attack a number of creatures up to equal your Dexterity modifier and divide the damage dealt equally among them.

You can do this an equal amount of half your proficiency modifier rounded down per long rest.

Last Storm

Beginning at 17th level, your mastery of the Rain dancer techniques lets you turn a normal attack into its full power in combat. Once per short rest, if you hit with an attack roll, you can turn your roll into a Critical, but you will get damage equal to half the total amount, this damage cannot be reduced by any means.