The Hermetic Association of the Golden Seal, also known as the Golden Seal Team, is an ancient order dedicated to the eradication of supernatural threats to humanity or a unification of small rebel groups to fight against Lord Vlad's vampire army. They was assembled by the great witch Philistia, after the Black Plague had swept through Europe in the 14th century.
According to the strategy briefing in the quest "Meet Vincent", the Iron Lock Knights are the main force of the Golden Seal Team, and they are supported by the Reconnaissance Team via gathering of intel.
Specialists
The Specialists are a self-titled group of strangers that consists of Frantz, Angela, Tude and Natasha. They are encouraged to join the siege on the castle.