Homebrew White walker Species Details

I have not seen GoT, so this might suck. Trying not to make it too OP. Help and reviews will be appreciated.

White walker Traits

Upon ressurection, you gained powers that exceed those of mortals.

Your build allows you to attack with cold waves even unarmed.

Your Constitution score increases by 2, and two other ability scores of your choice increase by 1.

White Walkers are taller than average humaniod, raising up to 8 feet(2,5 m). Your size is Medium.

Your base walking speed is 30 feet.

You have resistance against cold damage.

Your looks give you proficiency in intimidation skill, you also gain proficiency in one skill of your choice.

You can speak, read, and write Common and one extra language of your choice.