Boiling with a frozen touch while standing in the eye of raging ice storms is the Winter Blood fighter. A soul energy phenomenon caused in the heart they are masters of ice and snow. They are able to freeze the air around them reaching temperatures below that of sub-zero. Making frontal engagements more than challenging for anyone who joins the storm.

Frost Toll

3rd-level  Winter Blood Feature

At 3rd level, when you choose this Martial Archetype and can use your soul energy to freeze the air around you.

• Standing Frost: You gain resistance to cold.
• Burrowing Ice: As a bonus action, incase your weapon with a chilling touch you gain an extra d4 of cold damage and any target hit gains a frostbite stack. This can be used up to (Proficiency Bonus) times. Lasts for a minute resetting when you take a short rest.

Frostbite

3rd-level Winter Blood feature

• Frostbite Foul: Dulling out sense and sucking the energy out of a creature. Deal extra damage equal to the number of frostbites applied to the target in addition the damage dealt by frostbite overrides immunities and resistance to cold. 
• Frostbite Reserves: After using action surge for every stack of frostbite roll a d4 healing that amount and ending all applied frostbites.
• To Freeze Over:  Frostbite stacks last for two turns until a new stack is applied to the target.

Frostbite can't be applied more than (Proficiency Bonus) times to a target.

Piercing Arctic

7th-level Winter blood feature 

Starting at the 7th-level, you are able to surge the icy air turning it into a deadlier force enhancing your combat prowess even further. A target after getting 3 frostbite stacks must make a Constitution saving throw (8 + Proficiency Bonus + Constitution Modifier) or be incapacitated until their next turn. Furthermore, any weapon with Burrowing Ice applied to it counts as magical for the purpose of overcoming resistance. 

 

Glacial Form

10th-level Winter Blood

Starting at the 10th level, you honed ice and snow even further gaining new techniques to off-put foes.

• Slippery Slope: As a reaction, when a target with frostbite tries to attack you reduce the number of the attack roll by (half of the frostbite stacks rounded down). This can be used as a (Proficiency Bonus) amount of times. Resetting on short rest.
• Chilling Touch: Increase the damage of Burrowing Ice to 2d4's.

 

Consuming Rime

15th-level Winter Blood feature

At the 15th level, icy ground passively forms around you and continues to form while indoors. In a 10-feet radius around you becomes difficult terrain that melts as you move. (no action required) It can't be melted in any way other than the one stated. In addition, while a target afflicted with frostbite is in the area you keep one frostbite on the target after using Frostbite Reserves. 

Lord Of Blizzards

18th-level Winter Blood feature

At 18th level, you are what they fear most, a lord of blizzards. For a turn (no action required) become the living embodiment of frost granting you the following:

• Frostbite returns: Frostbite stacks don't reset on Froste reveres and still heals you for the amount.
• Overwhelming Strom: Frostbite stacks while in this form now cap at six.

This can only be used once per long rest or until you sacrifice 10 frostbite stacks.