Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Sarah faces Kay's worsening transformation
S13E24
·
The Seeds of Doom Part 4
To
Doctor arms himself for pending fight
S13E24
·
The Seeds of Doom Part 4
Why These Connect
The narrative assertion
"Sarah's infiltration of the cottage to find the Doctor leads her to discover the absence of Keeler, prompting her and the Doctor to realize the Krynoid has broken free, escalating the crisis to estate-wide peril."
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.