Mines, floor 20
The first encounter during the Mines questline.

Dragon priestess
Known first as the Priestess, Seridia is tied directly to the Mines seals and a late story reveal. Her identity, home and relationship route should all be treated as spoilers.
Seridia is a major-spoiler character first encountered through the Mines questline. After that story is complete, her route extends into the Western Ruins and her temple.
The sections below list trigger conditions and locations without reproducing key story dialogue.
The first encounter during the Mines questline.
Her residence becomes accessible after the Mines questline is completed.
The meeting point for her eight-heart quest.
Schedules can change with weather, festivals, quests and story progress. If the character is absent, check their home or the Inn at another time of day.
These preferences reuse the site's existing all-character gift dataset. Open the full guide to reverse-search an item across every villager.
Follow the seal quest chain before her post-Mines identity and route become available.
Reach eight hearts, read An Invitation, then meet her at the temple.
Romance candidate events can extend to ten hearts; later game updates may adjust event details.