Nothra

Nothra was a jungle planet in Klingon space on it's frontier. It had valuable minerals needed by the Empire.

History
According to Klingon mythology, Nothra was said to be the ancient kingdom of the demon Shadowheart

In the 2360s, the native species, the Nothrani, rebelled against Klingon Empire. In 2369, the rebels had raided three supply depots in one week leaving each a gory mess. The Klingon Governor, Limadh, was restricted from using full force in hunting the rebels. The Nothrani then received help from a human they believed was Shadowheart.