Prerequisites: flight speed of atleast 20ft and wings.

You've mastered the art of combat flight and gain the following benefits:

• Your flight speed increases by 20ft.
• Flying over 30ft in a turn causes opportunity attacks against you to gave disavantage.
• You gain the ability to dive down with crashing speed on your enemies - if you dive downwards at least 40 ft you can as a bonus action crash into an enemy. That enemy has to make a dexterity saving throw of (DC 8+proficiency+distance traveled/10) or be knocked prone and take 1d8 bludgining damage. You can't knock creatures who are 2 sizes or more larger than or creatures who can not be knocked prone.