Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor exposes Wrack's focus weakness
S20E20
·
Enlightenment Part 4
To
Doctor uncovers Wrack’s power focus
S20E20
·
Enlightenment Part 4
Why These Connect
The narrative assertion
"The Doctor's suspicion about the tiara leads Tegan to recall Wrack giving her the jewel. This memory provides the crucial information needed to identify and disrupt the focus, directly causing the Doctor's subsequent actions."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.