Saeris Fane
A thief and metalworker from Zilvaren's Third Ward. Her ability to hear and control quicksilver identifies her as an extraordinarily powerful Alchemist.
Kingfisher / Fisher
The immortal warrior known as the Bane of Gillethrye. Quick-witted, ruthless, and burdened by magical oaths, he is Saeris's reluctant teacher and eventual mate.
Carrion Swift
A Zilvaren smuggler, gambler, and former lover of Saeris. His humor conceals grief, loyalty, and his identity as the surviving Daianthus heir to Yvelia.
Hayden Fane
Saeris's younger brother. Protecting him has shaped nearly every decision she makes before entering Yvelia.
Everlayne
Fisher's half-sister and Belikon's daughter. Her kindness helps Saeris adjust to Yvelia, and her capture drives the final rescue mission.
Renfis
A respected Fae general of Fisher's own unit, the Lupo Proelia, in love with Everlayne. He does not survive the jump to Gillethrye.
Lorreth
A singer and warrior carrying a fragment of Fisher's soul. His loyalty, humor, and acceptance by Avisiéth make him essential to Saeris's found family.
King Belikon De Barra
Yvelia's king and Everlayne's father. He conceals his alliance with Malcolm and uses Fisher as a scapegoat while sacrificing his own people.
Queen Madra
Zilvaren's apparently immortal ruler. She closed the realm gates, exploits the desert wards, and secretly works with Belikon and Malcolm.
Malcolm
The vampire king of Sanasroth. He builds armies through infection and enthrallment and has tortured Fisher for more than a century.
Taladaius
A powerful vampire associated with Malcolm. He participates in the trap at Gillethrye but later saves Saeris by transforming her.
Danya
A fierce warrior suspicious of Saeris and angry at Fisher's long absence. Her broken blade becomes the material for Avisiéth.
Archer
A devoted fire sprite who maintains Cahlish. His affection for Fisher reveals a gentler side of the feared commander.
Te Léna
A healer at Cahlish. She treats Fisher and Danya and helps Saeris understand the significance of her markings.
Iseabail
A half-witch recruited to help break Everlayne's enthrallment.
Onyx
A white fox who adopts Saeris and becomes part of the Cahlish household.
Zareth
The God of Chaos and Change. He removes Saeris from the gods' view after warning that her bond with Fisher threatens multiple worlds.
Spoiler Warning and Content Note
The summaries below reveal the complete novel. Quicksilver contains explicit sexual content, violence, gore, torture, public execution, coercive magic, dehydration, starvation, plague imagery, addiction, and mass death.