Object
Cybermen Revival Chamber Mechanism
Physical infrastructure in the Central Chamber, including a hidden hatch and dormant Cybermen technology, unlocked by solving the Cybermen Mathematical Sequence. Represents the existential threat revealed after the sequence is activated.
2 appearances
Purpose
Revives dormant Cybermen from their tomb
Significance
Pivots expedition dynamics from internal sabotage and despair to direct confrontation with Cybermen threat; underscores fractured loyalties and ignored perils in Brotherhood's quest
Appearances in the Narrative
When this object appears and how it's used