You gain resistance to type damage.
Whenever you gain an aethari trait, you can also choose from the following:
Whenever you take type damage from a level 1 spell or higher, you gain a number of ward points equal to your training die that last until the start of your next turn.
When you take the Spellcast action with a level 1 spell or higher that deals damage, you can replace the spell's damage type with type damage.
You have immunity to type damage.
You have type damage threshold equal to your proficiency bonus.
You gain an Aetheri Subrace option, choosing from the list in the Subrace column in the Aetheri Subrace table. The option you choose grants you resistance to one or more damage types, a special speed equal to your walking speed, and inheritance of one spell at level 1, 3, and 5, choosing Intelligence, Wisdom, or Charisma as the spellcasting ability for these spells.