Object

Wrack's Power Focus Gem (Tegan's Ruby Focus)

Owned by Tegan Jovanka and used to channel Wrack's ritual powers during temporal ascension ceremonies

2 appearances

Appearances in the Narrative

When this object appears and how it's used

2 moments

The Power Focus Gem becomes the focal point of the Doctor’s urgent inquiry as he deduces it must be aboard the yacht to fuel Wrack’s temporal ritual. Tegan’s recollection of ‘part of a jewel’ triggers a potential identification arc, positioning the object as both clue and doom—unseen but critically influencing the event’s outcome.

Before: Concealed in Tegan’s possession after being given to her by Wrack during captivity, its nature and purpose unknown to her

After: Its existence is acknowledged and its nature partially described, but its location and identity remain unresolved, sending the search into motion

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S20E20 · Enlightenment Part 4

Doctor exposes Wrack's focus weakness

The focus serves as a critical clue the Doctor identifies as essential to Wrack’s power. He theorizes it is likely a crystal or jewel fragment she smuggled aboard, based on Tegan’s possible interaction with her. This realization transforms the crisis from an existential threat into a solvable puzzle if the focus can be located and neutralized.

Before: Unknown to the Doctor and companions; likely in Wrack’s possession aboard her vessel before being smuggled away

After: Still at large aboard the yacht; its precise location or form remains undisclosed but becomes the target of the Doctor’s immediate search

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