It was later revealed that Ryder has obtained some means of reviving his former team via an unknown liquid.

These he had boiled down into a yellow liquid quite unknown to science, which was probably the most virulent poison in existence.

Figuring that he must have stepped in a puddle of some unknown liquid, he kept going, trying to ignore it.

Or break it open and figure out the unknown liquid.

The Wizard gives him a dish of unknown liquid, telling him it is "courage" to drink.

No drums with an unknown liquid may be dumped.

Jair sipped at the unknown liquid, his throat dry and tight.

Mass spectrometers are used to identify the composition of unknown liquid and gas mixtures.

His power is to leave a puddle of some unknown liquid at his feet.

During these events, there are sequences about women trading bottles with unknown liquids.