Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Eldrad’s curdling acid betrayal
S14E8
·
The Hand of Fear Part 4
To
Doctor risks regeneration to save Eldrad
S14E8
·
The Hand of Fear Part 4
Why These Connect
The narrative assertion
"Eldrad's revelation that she was injected with a deadly acid she developed herself directly sets the urgency for the Doctor to use Eldrad's ring to access the regenerator chamber in an attempt to save her life."
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.