Element Expert

You have advanced your elemental specialty, granting you the following benefits: 

• Ability Score Increase.  Increase your Intelligence, Wisdom, or Charisma score by 1, to a maximum of 20.
• Elemental Expertise.  When you deal your Elemental Affinity's damage type, you can treat any 2 on a damage die as a 3.
• Elemental Resonance.  When you cast a spell, you can choose to modify it in one of the following ways. You can modify a spell in this way a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest. 
  • The spell's damage treats immunity to your Elemental Affinity as resistance. 
  • The spell's damage type changes to your Elemental Affinity.