Vessel of the dark

You partially become a shadow, gaining the following fenefits:

• While in dim light or darkness any wisdom (Perception)  check targeting you will have disadvantage 
• While in dim light or darkness you have a blindsight of 5ft, if you already have blindsight, they add to it
• While in dim light or darknesss you gain 5ft of movement
• While in darkness you are not affected by non magical difficult terrain 
• You gain 60ft of darkvision, if you have dark vision already it expands by 30ft