Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor disperses the Key and restores Astra
S16E26
·
The Armageddon Factor Part 6
To
Doctor and Drax part ways with new plan revealed
S16E26
·
The Armageddon Factor Part 6
Why These Connect
The narrative assertion
"The Doctor's moment of temptation with the Key to Time's power directly precedes the Guardian's appearance, setting up the confrontation with the Black Guardian."
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.