Did not survive to modern times.
Also called Razors.
A loose confederacy of small lodges, each controlled by a “house martin”, employ 6 field agents apiece. They channel information to through intermediaries to the shadowy high council (the Byzantines). Field agents rarely know more than 1 or 2 other agents in their lodge. Almost no ranks or titles.
Etfalti are unAwakened allies of the Ksirafai.
More info on pg. 50 Swashbucklers Handbook