These creatures due to having 4 arms can climb wile only using 2 arms and can choose to hold in these extra arms basic light weapons but these arms are unable to wield short swords shields maces or long swords with these arms.

You gain an bone mask that you can use as an focus for your spells your enemy’s can shatter your mask causing you to be unable to use it this requires you enemy to use an acrobatics check against your athletics check if your mask shatters it will regrow next long rest if your mask shatters you are also unable to use the features of this trait until it regrows

you can change into any creature the same size as you but this disables you racial features until you detransform

you can cast an invisible mage hand and minor illusion

you also gain access to the spells sleep suggestion and a close range Eldritch blast that acts more as an smite 

You grow hardened sharp nails that deal 1d6 slashing damage on your unarmed strikes