Thanks to your infernal heritage, you have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray.

You have resistance to fire damage.

You have advantage on saving throws against being charmed, and magic can’t put you to sleep.

You can speak, read, and write Common, Elvish and Infernal

Your Dexterity score increases by 2 and Charisma by 1.

Elfings live to around 550 year old