[quote=@t2wave]
[@Burthstone] Transformation magic has no defining features so I am not sure what I'd make. Plus Ariel already changes with each magic so not really sure how relevant it would be to have it specifically. 
[/quote]

Mithera and Karn's transformation are basically opposites. If she's able to just combine the two then she's very deadly.

As Karn can transform instantly into anything he sees and remembers that is physically real but consumes magic over time, the time frame getting smaller the bigger and more powerful the form is. While Mithera can slowly transform and has to wait to transform to get big or small. But once she's big she can stay like that unlike Karn who will eventually turn back human.

Combine those, and she could transform instantly into a dragon and stay like Mithera.

Scary if you think about it xD