Frozen Heart

Legends tell of an ancient queen, whose cruelty was so great that the gods turned her heart to ice. Her power, terrible and beautiful, has manifested within you. Perhaps you came in contact with a magical relic from the deep north. Or you could be the latest member of a great line of succession leading back to the queen herself.

Frigid Soul

Propelled by the heart of ice, the blood in your veins runs cold. At 1st level, bitter temperatures cause you no discomfort and you have resistance to cold damage.

Gathering Frost

Starting at 1st level, whenever you deal cold damage to a creature with a spell of 1st level or greater, you can reduce its speed by half on its next turn.

Flashfreeze

Beginning at 6th level, you can use your action and spend 2 sorcery points to create a simple object or structure made of ice, such as a stairwy, a sword, or a solid block. It must reside within a 10 foot cube centered on a point within 120 feet of you. You can't shape the ice to trap or injure a creature in the area. Alternatively, you can turn areas of water to ice within 40 foot cube centered on a point within 120 feet of you. You cannot freeze areas of water that would trap a creature in ice.
At 14th level, you can spend 2 additional sorcery points to form your creation out of True ice instead.

Glacial wreath

At 14th level, you can conjure sheaths of ice to protect yourself. Whenever you become the target of an attack, you can use your reaction to gain a temporary hit points equal to half your sorcerer level. Additionally, you can use your action to encase yourself in a protective cocoon of ice for 1 minute or until you choose to end the effect. You become petrified and gain temporary hit points equal to twice your sorcerer level which last until the effect ends. You are still aware of your surroundings. Once you encase yourself this way, you can't do so again until you finished a long rest.

Winter is coming

Beginning at 18th level, you can extend your icy grip across the land. As an action, you can spend 5 sorcery points to exude a freezing aura to a distance of 20 feet. for 10 minutes of until you lose your concentration, surfaces within the aura become coated in frost, and water freezes solid instantly. A hostile creature that starts its turn within the aura must succeed on a constitution saving throw or take 2d8 cold damage and become restrained until the beginning of its next turn. At the beginning of your turn, you can expand or reduce the range of the aura by 10 feet, to a maximum of 100 feet.