Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor balks as Shadow claims Romana
S16E25
·
The Armageddon Factor Part 5
To
Astra leads Romana into Shadow's trap
S16E25
·
The Armageddon Factor Part 5
Why These Connect
The narrative assertion
"Astra's seemingly innocent act of leading Romana into a hidden passage directly results in Romana's capture by the Shadow's minion, advancing the Shadow's plan to isolate the Doctor's allies."
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.