Your Charisma score increases by 1, and your Wisdom score increases by 2.

The influence of the Dreaming makes dream think you are a part of them rather than someone who experiences them. You don't dream when you sleep making you immune to the dream spell and similar effects though you still sleep and can be put to sleep magically.

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

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

You know the minor illusion cantrip. Wisdom is your spellcasting ability for it.

Your base walking speed is 30 feet.

Thanks to the varied light levels in the Dreamig, 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 can speak, read, and write Common and Infernal.