Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor risks gas to heal Malkon
S21E18
·
Planet of Fire Part 4
To
Doctor battles gas surge to save Sarns
S21E18
·
Planet of Fire Part 4
Why These Connect
The narrative assertion
"The Doctor's decision to release numismaton gas for healing (to save Malkon) later becomes the crux of the Master’s plan to exploit the gas for his own 'supreme renewal,' tying the Doctor’s compassionate act directly to the Master’s destructive ambition."
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.