Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Turlough recognizes Trion tech in the settlement
S21E16
·
Planet of Fire Part 2
To
Revelation of the volcano’s engineered heart
S21E16
·
Planet of Fire Part 2
Why These Connect
The narrative assertion
"The Doctor and Turlough's discovery of the Misos Triangle logo in the Ruins directly leads to their realization in the Bunker that the Trion equipment is a control mechanism for powering a city, revealing Sarn's technological past and Turlough's personal connection."
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.