The only thing they can do right now is strengthen their dreamotion skills! The one good thing about it absorbing dreamotion energy is that it is vulnerable to it as well. They may no longer have the power of the Aspects, but they still have a chance.

Speaking of the Aspects, however, the Storyteller is working on a way to somehow grant those powers if temporarily. However, it will take a lot of time, so it might not be until everyone is prepared to face down the Story Eater. Thus working on dreamotion abilities is still vital.