Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Fire ignites Nero’s tyrannical vision
S2E15
·
Inferno
To
Nero’s Plan Ignites Twice
S2E15
·
Inferno
Why These Connect
The narrative assertion
"Nero confirming the Doctor will be fighting in the arena directly leads to the Doctor's glasses being used to magnify the sun's rays and setting Nero's plans ablaze (beat_395d4cbd41f6ae87) and which sets off his turn to setting fire to Rome."
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.