Darkening Gel is used only in Portal 2: Station D and is the opposite of Conversion Gel, making portable spaces nonportable. Appearing in Pump Station Delta, it makes an appearance in enrichment spheres 7, 8, 9 and 10.
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Darkening Gel is used only in Portal 2: Station D and is the opposite of Conversion Gel, making portable spaces nonportable. Appearing in Pump Station Delta, it makes an appearance in enrichment spheres 7, 8, 9 and 10.