Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Adric warns Nyssa through a mirror
S19E3
·
Castrovalva Part 3
To
Master confirms Adric's impersonation
S19E3
·
Castrovalva Part 3
Why These Connect
The narrative assertion
"Nyssa’s discovery of Adric’s spectral warning in the mirror directly causes the Master’s confirmation of Adric’s impersonation, raising the stakes and forcing the Doctor to act."
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.