Object
Silurian Corrosive Liquid Barrier (Wenley Moor Caves)
A permanent defensive moat designed by the Silurians to block unauthorized access to their base. Its corrosive properties are demonstrated when the Doctor throws a rock into it, dissolving the rock instantly. The barrier forces the group to navigate Quinn’s pre-mapped route through the caves.
7 appearances
Purpose
Shelter for Silurian colony; source of electromagnetic interference and site of researcher attacks; proposed target for UNIT military operation
Significance
Central battleground symbolizing clash between military aggression and diplomatic caution; escalates bureaucratic tensions as Masters' refusal leaves UNIT under-resourced against awakening reptilians
Appearances in the Narrative
When this object appears and how it's used