Plenty of benders have been seen using one or more of earth's sub-element styles, including members of both Avatar teams ... not even the sinister art of bloodbending, which is naturally attuned ...

Avatar: The Last ... then this unusual bending art isn't so much of a deus ex machina after all. In the episode "Bitter Work" in Book Two: Earth, Zuko's Uncle Iroh decided to resume his nephew's ...