So far GK and Engineer had both a “Back to the roots” thematic attached to them. But I will go a bit into why I consider this a viable suggestion. I will not go into details as how this will play out because I am to lazy to imagine how a new career might work. Maiden of the Blazing Sun / Female Knight of the Blazing Sun

With this said, here comes my personal guess: And a new wind would mean a complete overhaul of said arsenal, even if it would be reduced to visuals only (like giving her Azyr and coloring everything blue). There would still be issues with a new wind for Sienna mostly because fire is kinda her thingy AND because so far we have only seen two new weapons per career. Then again, the Endtimes were kinda crazy for Wizards and we had Divine Intervention before (GK, Shade, Handmaiden) in order for some advanced Lorebending. Knowledge alone is enough to make even the steadfestest human go mad. This can also not simply overlooked by saying that she will just perform one wind. However, Human Wizards can simply not learn more than one wind without going crazy (and that is formulated politely). Most people would probably like to see a new wind. From the available U5 careers Sienna is the most difficult concerning a new career. Well, here my longshot for Sienna’s new career.