The Stygers are twin sisters who head the Golden Branch division of Minerva Mining and Mechanics.

Colleen is an expert at rigger engineering and heads the fabrication and development side of the corporation while Crystal oversees the mining and resource collection aspects of the company.

They recently accepted an offer to oversee and assist the OriCon Expeditionary Force forming the Minerva Strategic Alliance, and have been tasked with bringing the rogue corporations that have formed Petrichor Automedia back into the OriCon fold.