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

Demon kin mature at age 21 they live around 2,000-5,000 years 

your eyes have hypnotic swirls in them. when a being looks in your eyes they must make a wisdom save [your Cha mod+proficiency+8] if they fail they follow your every command until you hit them, tell them to leave or 2 hours go by and it recharges on a short rest.

Demon kin vary, but most are in the chaotic range

demon kin are somewhat larger and bulkier than humans, and they range from 5-6 and a half feet tall. Your size is medium.

Your base walking speed is 30 feet 

Thanks to your infernal blood, you have superior vision in dark and dim conditions. You can see in dim light within 120 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 red and black

You gain proficiency in the Intimidation skill.

You can speak, read, and write Common and infernal