Pyro Shika was a planet where the Sixth Doctor intended to bring Melanie Bush. He described it as "fascinating". (TV: Terror of the Vervoids)
It was located in the Claudian cluster. Sylen heard about a Cyberman gauntlet on Pyro Shika. She finds the glove in the tomb of priest-king Xanthos in the ruined city of Sagli-Ghent. (PROSE: The Mondas Touch)