Both a sophisticated and ultimately disposable piece of spycraft, and the name of the profession of the people who use them.
A class of cybernetic prosthetics worn over the face
A strange mask containing a merciless demon, a parasite on those around it.
The thieves guild of Mysantia has paid the stone masons guild to put a particular pattern into the stone of new multi story construction.
A small bonus to the climb skill is the result..