Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Cybermen weapon fails against shield
S4E26
·
The Moonbase Part 4
To
Gravitron repurposed as Cyberman countermeasure
S4E26
·
The Moonbase Part 4
Why These Connect
The narrative assertion
"Cybermen firing weapon deflected leads to the Doctor realizing that they can use that to their advantage."
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.