Elemancer

Pyromancers, Cryomancers, etc. They have dominated their elemnt that they were born with.

Heart of the Elements

At 1st level, you must select an element of your choice from Fire, Cold, Acid, Lightning, Thunder, or Force.

At 1st level, whenever you start casting a spell of 1st level or higher that deals your chosen elements damage, you erupt with the elemental magic. This eruption causes creatures of your choice that you can see within 10 feet of you to take your chosen elements damage equal to half of your sorcerer level (minimum of 1).

Acid

Your chosen element is acid.

Cold

Your chosen element is cold.

Fire

Your chosen element is fire.

Force

Your chosen element is force.

Lightning

Your chosen element is lightning.

Poison

Your chosen element is poison.

Thunder

Your chosen element is thunder.

Elements in the Veins

At 6th level, you gain resistance to your chosen elements damage type. In addition, spells you cast ignore resistance to your chosen element.

Elemancer's Fury

Starting at 14th level, when you are hit by a melee attack, you can use your reaction to deal your elements damage to the attacker. The damage equals your sorcerer level, and ignores resistance to your elements damage.

Elements Soul

At 18th level, you gain immunity to your elements damage. In addition, any spell or effect you create ignores resistance to your elements damage and treats immunity to your elements damage as resistance to your elements damage, you do not ignore resistance that was immunity.