Agni Kai Triad

The Agni Kai Gang, or the Agni Kais, is a rival gang of the Triple Threat Triad and the Red Monsoons. The triads often engage in turf wars, according to Mako

History
When Mako and Korra approached Skoochy in Central City Station for information regarding Bolin's whereabouts, he mentioned that all the triads, including the Triple Threats and the Red Monsoons, were recruiting muscle power for something big.

Trivia

 * They are a reference of typical 1920s American mobsters, such as ones in the Prohibition Era.