You literally transmute matter at will, you do not need to fight Killcannon just turn his robot arm into cheese or something. Your nemesis is a villain that you do not need to consider the whole cannot effect living tissue thing for even a second. That is all.
Don’t think she can do that seems to not be able to change air into things besides that pick energy she makes
I mean we’re debating the ambiguous powers of a god here basically but she could probably condense all of the water vapor in a given bit of space into a liquid form