Pyromancer

Pyromancer's although they have great control of fire, they aren't actually resistant to it. Although their fire spells are more accurate and more destructive capable of burning anything at high levels. Wisdom becomes your spellcasting ability.

They also have the ability to change the colors of the flames they create.

Fiery Adept

Starting at 2nd level, you can now cast any fire spell of 4th level or lower without their necessary components (verbal, somatic, and materials).

At 4th level, the damage dealt by your fire spells ignores resistances and immunities and has an additional 1d4 fire damage.

Directed Flames

Starting at 2nd level, you gain the ability to change and manipulate the direction of your flames. You have advantage on all range attacks of any fire spell. You can also direct them to not affect any creature or object you wish to not be harmed.

Blaze Burn

Starting at 6th level, as a bonus action, you can absorb any nearby flames within 10 ft, engulfing you in flames. The flames does not hurt you, you also take half damage from all damages, have advantage on all saving throws and an additional +10 to your movement speed. This lasts for 2 minutes and cannot be used if there aren't any flames within range to be absorbed. The number of times you can use this feature is equal to half of your character level rounded down with a minimum of 1 use, before needing a long rest.

At 14th level, this feature now grants a +3 to AC and +2 to your temporary hit points.

Flames of Rejuvenation

Starting at 10th level, when using a damaging fire spell, you can turn that damage to healing instead.

Super Nova

Starting at 14th level, you can release a fiery explosion within a 200 ft radius. Anything within take 12d12 fire damage and 5d8 force damage. You must expend 2 spell slots of 6th level or higher. This feature can only be used once before needing a long rest.