
As a bonus action, you can make a DC 15 Dexterity (Acrobatics) check. If you succeed, difficult terrain doesn’t cost you extra movement until the end of the current turn.

As a bonus action, you can make a DC 15 Dexterity (Acrobatics) check. If you succeed, difficult terrain doesn’t cost you extra movement until the end of the current turn.
Does... doesn't this feat like... already exist?