Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Energy exchanger spirals out of control
S8E25
·
The Daemons Part 5
To
Doctor defies warnings to enter church alone
S8E25
·
The Daemons Part 5
Why These Connect
The narrative assertion
"The explosion of the energy exchanger forces the Doctor to change plans leading him to face Azal in the church."
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.