Elemental Adept

Elemental Adept
Feat
Prerequisite: Level 4; Spellcasting

You gain the following benefits.
Energy Mastery.
Choose one of the following damage types: Acid, Cold, Fire, Lightning, or Thunder. Spells you cast ignore Resistance to damage of the chosen 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.
Repeatable.
You can take this feat more than once, but you must choose a different damage type each time for Energy Mastery.

Source: Player's Handbook (2024) (XPHB), page 203