Glass Immortals · Character
Master Kastora
- Supporting
- First seen · Book 1 · Ch. 2
Master Kastora is a supporting character in Glass Immortals (Book 1).
- Gender
- male
- First appears
- Book 1 · Ch. 2
- Books
- 1
Description
A thin, medium-height man in his sixties with gray hair and a bald patch taking over the center of his head. His hands and arms are a patchwork of burn scars and permanent glassrot scales, and he wears piercings. His face is distracted but gentle.
Connections
Family & partnersFriends & mentorsRivals

Demir Grappoproject sponsor
Kastora’s legacy matters to Demir’s work with Thessa; Demir funds the phoenix-channel project, which Thessa hopes will honor the work and memory of her mentor.

Idrian SepulkiFriend
Idrian calls Kastora his friend and is deeply concerned for him. He joins Demir on a dangerous rescue attempt and stays with Kastora at his deathbed.

Thessa Foleermentor
Kastora has trained and guided Thessa for years, recognizes her exceptional siliceer talent, and appoints her his principal assistant on the phoenix-channel project. He entrusts her with its schematics and the task of rebuilding it.

Adriana Grappobusiness partner
They were equal partners in the phoenix-channel endeavor: Adriana supplied its design and funding, while Kastora supplied silic expertise. Kastora’s fair contract suggests he deeply respected her.
- AD
Axio Darnasusassistant
Axio is an assistant at the Grent Royal Glassworks under Kastora. After the attack, Axio does not know whether Kastora escaped unharmed.
Story so far
BOOK 1In the Shadow of Lightning
Key events
Appearances
Next stop
In Book 1
Places
Meet Master Kastora in Bookworm
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