As many of the rooms in the guild house are will get non-assassins killed if they wander into them, people wishing to join the guild should read the marble slab in the foyer, which gives directions:
Those interested in joining our organisation should speak to Arlen Laureato who can be found in the study on the second floor, directions as follows: north, up, east, up, west, south, east
These commands are exclusive to assassins.
* These commands are also shared with the Thieves' Guild.
These are the primary skills for the Mano Rossa: