Necromaster

General Feat (Prerequisite: Level 4+, Spellcasting or Pact Magic Feature)

You gain the following benefits.

Ability Score Increase. Choose an ability score to increase by 1, to a maximum of 20.

Master of Decay. Spells you cast ignore Resistance to damage of the Necrotic type. In addition, when you roll damage for a spell you cast that deals damage of that type, you can treat any 1 on a damage die as a 2.