You gain blindsense up to 60 ft unless in an area of magical silence, have expertise and advantage on Perception checks. You double the proficiency bonus of your Dexterity Checks or add it, if you aren’t proficient and in addition. You are able to double the proficiency bonus of your Dexterity saving throws against attacks or effects you can see, or add it, if you aren’t proficient. Choose 1 Ability Score except for Strength and Constitution. That score and its Maximum increase by 2.