Eithan Arelius

Also known as Eithan, Eleven

Major
First seen · Book 3 · Ch. 1

Eithan Arelius is a flamboyant, enigmatic Underlord in Cradle (Book 3).

Gender: male
Age: not far past thirty
First appears: Book 3 · Ch. 1
Books: 3

Eithan Arelius begins as a flamboyant, enigmatic Underlord whose effortless elegance and cryptic smiles mask a razor-sharp intellect and hidden depths. Across the series, he transitions from a seemingly carefree mentor guiding Lindon and Yerin through the sacred arts to a figure of growing gravitas whose playful demeanor conceals a long-term plan that reshapes the fate of the Blackflame Empire and beyond. His evolution is marked by escalating stakes—from local rivalries and family politics to the global arena of the Uncrowned King tournament—while his relationships deepen from professional alliances to profound, almost paternal bonds with his disciples.

Description

A handsome man in his apparent thirties with long yellow hair that streams behind him and striking blue eyes. He carries a broad, confident smile and wears ornate, flowing outer robes in vibrant colors like turquoise or deep blue threaded with gold. His posture is relaxed yet poised, projecting an air of effortless elegance and self-assurance. A striking blond man with long yellow hair flowing behind him and cold blue eyes, dressed in ornate emerald armor that shimmers like jewels. He carries himself with effortless confidence, often seen floating on a cloud and grinning broadly. A smiling man with long blond hair that he frequently combs and sparkling blue eyes. He favors ornate, colorful outer robes featuring gold accents and patterns, maintaining a polished and elegant appearance even amid conflict.

Connections

Family & partnersFriends & mentorsRivals

Orthosconflicting source relationships
Starts as an ally and guardian used for Lindon's training, later revealed as an old friend whose bond with Eithan is rekindled in later books.
Wei Shi Lindonconflicting source relationships
Evolves from a charismatic instructor teaching Lindon the sacred arts to an adoptive father figure whose playful yet rigorous guidance shapes Lindon's destiny.
Yerinconflicting source relationships
Transitions from a strict trainer pushing Yerin to integrate her Remnant to a trusted adoptive father who hones her combat and spiritual perception skills.
Naru Cassias Areliusconflicting source relationships
Begins as Eithan's right-hand cousin managing the Arelius family, then becomes a former subordinate after Eithan relinquishes the Patriarch role.
NS
Naru Saeyateammate
Emerges in book 7 as Eithan's teammate on the Blackflame Empire's tournament squad, training and fighting alongside him.
JD
Jai Daishourival Underlord
Serves as a one-time rival whose fatal clash with Eithan in book 3 resolves a major conflict over the Arelius family's future.

Story so far

BOOK 3Blackflame
- Adopts Lindon and Yerin as outer members of the Arelius family and begins their rigorous training in the Heaven and Earth Purification Wheel and the Path of Black Flame.
- Clashes with rival Underlord Jai Daishou over the Blackflame Trials, ultimately killing him to secure the Arelius family's future.
- Recruits Fisher Gesha as Lindon's Soulsmith tutor and orchestrates the revival of the Path of Black Flame with Emperor Naru Huan.
- Protects and utilizes the ancient dragon-turtle Orthos as both guardian and training partner for Lindon.
BOOK 6Underlord
- Steps down as Patriarch of the Arelius family, shifting focus entirely to mentoring Lindon and Yerin.
- Continues Lindon's advanced training, pushing him toward Underlord while maintaining a playful yet demanding approach.
- Reunites with old friend Orthos, reinforcing their long-standing bond as they prepare for larger conflicts.
- Guides Yerin through critical spiritual breakthroughs, solidifying his role as her primary teacher.
BOOK 7Uncrowned
- Joins the Blackflame Empire's team for the Uncrowned King tournament alongside Naru Saeya, training and fighting as a cohesive unit.
- Deepens his adoptive father-figure role with Lindon, providing both combat guidance and emotional support.
- Trains Yerin in advanced combat and spiritual perception techniques, preparing her for the tournament's brutal challenges.
- Maintains his signature elegance and composure even amid the high-stakes, deadly environment of the tournament.