Prerequisite: Unique Feat (Prerequisite: Character Level 8+, Race-Human(Legacy), Class-Fighter Level 2+) Fighter Level 2+ OR War Forged OR War Forged
You gain the following benefits.
Energy Expertise. Choose three of the following damage types: Acid, Cold, Fire, Force, Lightning, Necrotic, Poison, Psychic, Radiant, or Thunder. Spells you cast and weapons you use ignore Resistance to damage of the chosen types. In addition, if a creature has Immunity to the chosen damage types, you treat it as Resistance. You may switch these damage types whenever you finish a Short or Long Rest.
Potent Energy. When you deal damage to a creature that has Vulnerability to the chosen damage types, you deal the maximum possible damage.