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Cobalt Poison

Cobalt appears as a proposed chemical agent for exterminating Kroll in the methane refinery's control center. Fenner suggests its use when conventional weapons are too risky, positioning it as a calculated but desperate solution. The specific form—likely a powder or liquid given the method of dispersal suggested around the creature—carries an institutional tinge of scientific extermination rather than raw force.
2 appearances

Appearances in the Narrative

When this object appears and how it's used

2 moments
S16E18 · The Power of Kroll Part 2
Thawn doubles down on destroying Kroll

Cobalt is proposed by Fenner as a targeted chemical agent to poison Kroll incrementally, offering a measured alternative to brute explosive force. The substance is discussed in terms of radiation dosage and physiological tolerance, positioning it as a scientific expedient. Its feasibility is immediately undermined by Harg’s assessment that Kroll’s size could render even massive doses ineffective.

Before: Present as a colonial chemical resource; suggested mid-crisis as a humane alternative
After: Evaluated but rejected due to uncertainty about dosage and creature’s resilience
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S16E18 · The Power of Kroll Part 2
Dugeen reports Kroll moves again

Cobalt poisoning is proposed by Fenner as a calculated alternative to depth charges, immediately critiqued by Harg as likely ineffective against a creature of Kroll’s scale. It becomes a focal point for the debate over scientific versus military solutions.

Before: Available chemical agent in storage, not previously considered for creature elimination
After: Rejected due to Harg's assessment of potential resistance
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