Your Intelligence score increases by 1, and your Dexterity score increases by 2.

Tieflings mature at the same rate as humans but live a few decades longer.

Tieflings are about the same size and build as humans. Your size is Medium.

Your base walking speed is 30 feet.

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 know the mage hand cantrip. at level 3, You can cast the absorb elements spell as a 2nd-level spell once with this trait and regain the ability to do so when you finish a long rest. at level 5, You can cast the elemental blade(lightning) once with this trait and regain the ability to do so when you finish a long rest. Intelligence is your spellcasting ability for these spells.

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