
Red Rising Saga · Character
Regulus ag Sun
Also known as Quicksilver
- Supporting
- First seen · Book 3 · Ch. 17
A man in his sixties with bronzed skin and a bald head that shows off his deeply wrinkled forehead like a washboard. He has a stocky, fleshy build with hunched simian shoulders and thick butcher fingers. His face is like that of a bulldog with pugilist lips, a humped nose, and is accented by a small goatee and mustache. Two heavy-lidded silver eyes dominate his gaze, but the most striking feature is the third golden eye implanted in a simple silver ring that he wears on the middle finger of his right hand. He dresses in a high-collared turquoise robe embroidered with apple trees and goes about barefoot.
- Gender
- male
- Age
- 60s
- First appears
- Book 3 · Ch. 17
- Books
- 3
Regulus ag Sun, known publicly as Quicksilver, evolves from a vividly described but peripheral Silver magnate in Morning Star into a shadowy financial powerbroker whose influence quietly shapes the Republic’s survival in Iron Gold and Light Bringer. Across the series his role shifts from enigmatic benefactor to a calculated mentor whose resources and counsel prove decisive at critical junctures, even as he remains deliberately removed from the spotlight. His trademark third-eye ring and Sentinel drone become recurring symbols of his unseen reach, while his alliance with Darrow transitions from wary mutual utility to a deeper, if still transactional, partnership.
Description
A man in his sixties with bronzed skin and a bald head that shows off his deeply wrinkled forehead like a washboard. He has a stocky, fleshy build with hunched simian shoulders and thick butcher fingers. His face is like that of a bulldog with pugilist lips, a humped nose, and is accented by a small goatee and mustache. Two heavy-lidded silver eyes dominate his gaze, but the most striking feature is the third golden eye implanted in a simple silver ring that he wears on the middle finger of his right hand. He dresses in a high-collared turquoise robe embroidered with apple trees and goes about barefoot. Thickset bald Silver with a rotund build and jowls, heavy hands sport a prominent Gold eyeball ring. He wears a high-collared white velvet jacket, often holding whiskey, his presence steady and substantial. Quicksilver is a thickset Silver man with a smooth, bald pate and the composed bearing of someone accustomed to being obeyed. His high-collared white velvet jacket makes a striking, immaculate silhouette against his heavier build. A Gold eyeball set into a ring glints from his substantial hand, an unsettling piece of jewelry that draws the eye. His polished, self-possessed presence is often accompanied by a small Sentinel drone, its chrome shell centered around a single red eye. Regulus ag Sun is a rotund, bald man whose rounded silhouette contrasts with the sharp, watchful emblem on his hand. He holds a glass of whiskey in his fist, carrying himself with the ease of someone comfortable in an elegant gathering. A ring set with a Gold eyeball is his defining accessory. His appearance is composed and conspicuous without being especially ornate. He is a stout bald man with a pugnacious face, dressed in a black kimono embroidered with green designs and glowing slippers. A gold eyeball ring adorns one finger, adding to his distinctive and commanding presence.
Connections
Family & partnersFriends & mentorsRivals

Darrow of Lykosconflicting source relationships
Begins as a relationship of calculated distrust and political convenience when Quicksilver supplies the stolen Nessus; evolves into a reliable, if still arms-length, partnership in which Regulus offers both material aid and strategic advice across later volumes.
- M
Matteobusiness partner
Longstanding professional collaboration remains consistent; Matteo’s operatives and vessels (including the Nessus) function as extensions of Quicksilver’s influence, maintaining the same division of labor from Iron Gold through Light Bringer.
Story so far
BOOK 3Morning Star: Book III of the Red Rising Trilogy
- First introduced in Morning Star as a stocky, barefoot Silver in turquoise robes, his most striking feature being the implanted golden eye on his ring finger.
- Remains off-stage during the main action, his wealth and connections implied rather than demonstrated.
- Serves as atmospheric world-building that foreshadows the economic power still wielded by non-Gold elites.
BOOK 4Iron Gold
- Revealed as Regulus ag Sun, the legendary founder of Sun Industries, now operating under the alias Quicksilver.
- Secretly loans the stolen corvette Nessus to Darrow’s splinter faction, enabling their covert mission to the Rim.
- Appears at Republic gatherings in a white velvet jacket, flanked by his ever-present Sentinel drone, underscoring his dual life as financier and covert operative.
- His associate Matteo’s intelligence network feeds Senate debate updates, illustrating the breadth of his surveillance apparatus.
BOOK 6Light Bringer
- Acts as an understated mentor, offering strategic counsel and material support at pivotal moments without seeking recognition.
- Continues to deploy his distinctive accessories—third-eye ring and drone—as quiet assertions of identity and authority.
- Provides crucial logistical aid that helps avert disaster for the Republic’s remaining loyalists.
Gallery
Book 6: Light Bringer
Appearances
Meet Regulus ag Sun in Bookworm
Meet Regulus ag Sun in your EPUB — spoiler-safe to the book you're on.


