Okay, I'm a huge fan of David Hair's 'Moontide Quartet' so I can totally talk about 'Scarlet Tides'. The core trio from book one, 'Mage's Blood', is still central: Elena Anborn, the mage who's way tougher than her upbringing suggests, Alaron Mercer, who’s kind of a mess but in a relatable 'trying to figure out his power and place' way, and Ramita, whose story gets super intense now that she’s a widow carrying the child of the dead mage Anton Meiros. Their journeys are all about survival and changing loyalties.
But the book really expands the cast of major players. Sultan Salim of Kesh becomes way more prominent, and he’s a fascinating blend of ruthlessness and a weird, twisted sense of honor. Then there’s Gurvon Gyle, the spymaster—you’re never quite sure whose side he’s really on, which makes every scene he’s in totally unpredictable. A new major threat is the Inquisition, led by the terrifyingly zealous Mater-Imperia Lucia Fasterius; she brings this oppressive, systemic danger that the more personal villains of the first book didn’t have.
The book splits its time between the war-torn East and the simmering tensions in the West, so you get a lot of perspective from characters like Cym, who’s navigating the political nightmare of Hebusalim. It’s less about introducing a single new 'key' character and more about watching the existing ones get pushed to their absolute limits, with a few powerful new faces shaping the battlefield around them. Ramita’s arc, in particular, surprised me with how brutal and compelling it became.