Find a Dawnshard!
All the "dusk has passed", gotta "find a new dawn" lingo (e.g. chapter 9.)
What else could possibly give Drominad enough power to get out of the situation they're in?
The mention of the Dragon's Dawnshard that got moved from its vault in the conversation between Starling and Dajer.
Dusk "knowing" that if he passed a certain point in the cave, he would never have a home again (because he'd be chased for the Dawnshard!)
The question of "why did the entity stick around long enough to be turned into the Dakwara by the thoughts of the people of First of the Sun?"
When Dusk got to the island guarded by the Dakwara, found Cakoban's remains, and started implying that he could now command the Dakwara, I despaired some. But just as I accept that the Dakwara would be the bargaining chip that Dronminad needed, Dusk noticed some "strange symbols" on the wall, (spoiler for SA:)
Alas, it did not turn out to be so in the book. I hold out hope that Frost fed the entity the Dragon's Dawnshard to hide it and that's why it got stuck around Cakoban's remains so quickly.