Energy Affinity

You have a unnatural affinity for a type of energy.The precise origin of this affinity is unknown it can be that you are the descendant of some forgotten primordial, or your family has been exposed to the energies of a particular plane.

Energy affinity

At 1st level, you choose one type of energy you gain an additional cantrip associate at that type of energy. You can speak, read, and write Primordial

Affinity

Energy	Cantrip
Force	Eldritch Blast
Radiant	Sacred Flame
Necrotic	Chill Touch
Lightning	Shocking Grasp
Fire	Create Bonfire
Cold	Frostbite
Psychic	Vicious Mockery

 

Cold Affinity

You have affinity whit spell that deal Cold damage.You know the Frostbite cantrip

Fire Affinity

You have affinity whit spell that deal Fire damage.You know the Create Bonfire cantrip

Force Affinity

You have affinity whit spell that deal Force damage.You know the Eldritch Blast cantrip

Lightning Affinity

You have affinity whit spell that deal Lightning damage.You know the Shocking Grasp cantrip

Necrotic Affinity

You have affinity whit spell that deal Necrotic damage.You know the Chill Touch cantrip.

Psychic Affinity

You have affinity whit spell that deal Psychic damage.You know the Vicious Mockery cantrip

Radiant Affinity

You have affinity whit spell that deal Radiant damage.You know the Sacred Flame cantrip

Empowered

When you cast a spell that deals damage of the type associated with your Energy Affinity, you can add charisma modifier to all damage roll of that spell. You lose this class feature if you possess any level in any other class.

 

Demi-Primordial

Starting at 6th level,the energy in your soul start to mutate your body.This change allows you to gain some feature of Primordial.You gain the following benefits:

• You don’t need to eat, drink, or breathe.
• You stop aging, you are immune to any effect that would age you,  you can't die from old age.
• All the effects that target, reveal and/or works on Elemental works you.

Energy Mastery

At 14th level, the cantrip you gain form your affinity is consideated a 7th levell spell you still cast it at will and it even work in a antimagic field.

Source

Beginning at 18th level,You become a Source of Energy, this transformation considerably increases your defenses against supernatural dangers but it makes you easily to detect.Your ability scores can't be reduced by any means,you are immune to the Blinded Condition and you are immune to any spell or effect that would alter your form and/or that would steal or modify your memory, unless you wish to be affected.You have always Disadvantage on stealth checks (even if you gain advance) and you can't become invisible.