Object
Krotons' Dissolution Gas
Toxic fumes fill the mine tunnels as the Krotons' crystalline bodies dissolve from sulfuric acid sabotage. The uncontrolled gas weakens the Doctor to unconsciousness alongside a rocket blast, prompting Zoe's urgent diagnosis and warning to Jamie against touching him. Zoe, Jamie, and the Doctor navigate this hazard, which forces their flight and underscores the mine's lethal volatility.
4 appearances
Purpose
Poison the air in mine tunnels as uncontrolled byproduct of Kroton dissolution
Significance
Critically weakens the Doctor, heightens survival stakes, and exposes the trio's vulnerability amid their confrontation with the Krotons
Appearances in the Narrative
When this object appears and how it's used