You add your charisma modifier to your Armor class. 

You can cast scorching ray a number of times per long rest equal to your charisma modifier. 

You can casty misty step 1/short rest.

You have 9 luck points you can use to give yourself the upper hand. You can expend one to add 1d8+1 to one attack roll, ability check, or saving throw. Alternatively you can use this to effect an allies or enemies roll. Adding or subtracting as you see fit. Once spent. These points do not recharge, except via a special ritual involving your arcanaloth parent. 

You have claws which you can use to make a natural attack.

Your Intelligence or Dexrerity score increases by 2, and your Charisma score increases by 4.

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

Arcanaloth cambions might not have an innate tendency toward evil, but many of them end up there. Evil or not, an independent nature inclines many of them toward a chaotic alignment.

You 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, lighting, and cold damage.

You know the ray of frost cantrip. When you reach 3rd level, you can cast the invisibility spell as a 2nd-level spell once with this trait and regain the ability to do so when you finish a long rest. When you reach 5th level, you can cast the lightning bolt spell once with this trait and regain the ability to do so when you finish a long rest. Charisma is your spellcasting ability for these spells.

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