Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor uncovers Ogri origins and Vivien’s plan
S16E11
·
The Stones of Blood Part 3
To
Vivien Fay uncloaks as the Cailleach and seizes Romana
S16E11
·
The Stones of Blood Part 3
Why These Connect
The narrative assertion
"The realization at the stone circle that three stones are missing, one of which was an Ogri that fell off a cliff, directly leads to the Doctor's explanation of the Ogri's origin and their need for human blood, providing the necessary context for the rescue mission."
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.