Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor rejects Mawdryn's plea
S20E12
·
Mawdryn Undead Part 4
To
Doctor shares regenerative energy to save mutants
S20E12
·
Mawdryn Undead Part 4
Why These Connect
The narrative assertion
"The Doctor's refusal to help Mawdryn ('I cannot') (Act 1) is reversed in Act 3, where he ultimately offers his own regenerative energy to save Nyssa and Tegan, showing character transformation and growth."
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.