Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor lays out solar mirror trap plan
S19E12
·
Kinda Part 4
To
Mara's curse broken by reflected light
S19E12
·
Kinda Part 4
Why These Connect
The narrative assertion
"The Doctor’s theory that the Mara cannot face its own reflection is put into action in the clearing, where the circle of mirrors traps the Mara, causing it to detach from Aris and eventually vanish."
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.