Frost Heart

The frost heart is one of the elemental cousins of the storm heart. They are both known as half-sparks, individuals extremely talented in one aspect of magic bay way of a magical phenomenon. Frost hearts are masters of the ice and snow.

 The magical phenomenon that gives the frost heart its abilities is thet they can cause the air around them to reach temperatures well below freezing without any afferct to them at all. they can protect themselves with thick layers of ice that doesn't bother them, making them hard to kill in a frontal engagement.

Frost Surge

At 3rd level, when you choose this subellass, you can use your magical abilities to freeze the air around and form a layer of ice on your person to give yourself extra protection. As a bonus action, you can give yourself twice your fighter level in temporary hit points.
Additionally, for the next minute, and oly once on your turn, you can cause a creature you hit with a weapon attack to make a DC 8 (+ your proficicney modifier + your CON modifier) CON saving throw. On a faild save they suffer one of the following effects of your choice until the end of your next turn:

• The creatures speed is reduced bu 15 feet.
• The creature can't take any reactions.
• The creature is knocked prone.

Once you use this ferature you can't do so again until you finish a short or long rest.

Glacial Constitution

Starting at 7th level, your cold-loving nature gives you resistance to cold damage.

 Additionally, you are no longer affected by extreme het or extreme cold environments; and you can cause a ten foot by ten foot area of water orother freezable liquids you touch to freeze to a depth of 1 foot by touching them.

Biting Cold

Starting at 10th level, when you are hit by a melee attact, you can your reaction to deal cold damege to the attacker. the damage equals your fighter level. You can then have them make a CON saving theow to avoid one of the effects of your Frost Surge.

Glacial Armor

Starting at 15th level, you have resistance to bludgeoning, piercing and slashing damage, as well as immunty to cod damage, so long as you have the temporary hit points given to you by your Frost Surge.

Additionally, if you do not have any temporary hit point when you roll for iniative, you gain an amount equal to 5 time your CON modifier(minimum 5)

Lord of the Frosts

Starting at 18th level, when you use your action surge you can cast the cone of cold using your Frost Surge DC for the spell DC. Once you do so, you can't do so again until you finish a long rest