When they infect a human host, they generate severe electrical discharges.
The agents eventually uncover the cause of the subterranean horror: microscopic sea creatures dubbed "medusas". "The X-Files" Medusa(2001)
The production crew built a massive, highly detailed replica of a subway station to serve as the set. When they infect a human host, they generate
The creatures possess high concentrations of calcium and emit a bright green bioluminescence. When they infect a human host