At the risk of beating a dead horse, I'm going to talk about Jillian, because apparently what I see about the way she operates isn't seen by at least many of the people who've posted here. So either I'm right, or I'm crazy.

This doesn't have anything to do with liking or not liking the character. I go back and forth. But it should be obvious by now that she, Wanda and Parson are the prime movers. Not all at once, and not all in the same way, but they're all clearly bound to Fate.
I don't understand how she's seen as a passive character. Someone even compared her to Bella--assuming that's the character from
Twilight, and assuming the accounts I've read about her are accurate, Bella has the personality and the initiative of a sea sponge. But has that ever described Jillian? She has always been brash, confident, and uninterested in doing things on any other than her own terms. She has changed since becoming Queen, but what's more important is how she's pivoted off the changes in the world around her.
In particular, look at her alliances. It's widely assumed, and to an extent true, that Charlie and Don King are using her for their own ends. But Charlie is desperate, and Jillian knows it. Transylvito is in trouble, and Jillian knows that, too. She wouldn't have allied with the Charlie of Book One, because she knows that she'd be screwed regardless, but this Charlie? She's used him perhaps even more than he's used her, and more than she used Ansom to try to get at Stanley in Book One. She is as actively opportunistic as she has ever been, but now that she is a ruler the opportunities present themselves in alliances as well as in battles.
This goes some way toward explaining why her Chief Warlord and Trammenis admire her. But the other reasons also fall out straightforwardly: She uses bold, unorthodox tactics
and they work. Not only that, they work with far fewer casualties than conventional tactics would have required. Why wouldn't her Chief Warlord admire her? As for Trammenis, he has just witnessed a Queen who: defies the stultifying rigidity that he likely assumed came with Rulership, and; changed the course of an entire battle while taking only trivial casualties (fighting intelligently, making ample use of targeted attacks and force multipliers), and; did so by manipulating allies that she didn't trust (Trammenis would be comparing her use of Charlie to Jetstone's use of Haggar), and; helped an ally while transparently and openly protecting her own interests, and; made it look easy. Trammenis just got a taste of how he could rule Jetstone, effectively, without becoming like his father or his brothers. Why wouldn't he admire her?
Parson is transforming battle. Wanda is transforming the idea of what constitutes a side. Jillian is transforming royalty. All three are charmed in their own way. And, love them or hate them, all three act boldly and leave a broad wake, which makes them obvious candidates for main characters.