Sector-wide collection of slavers and beast-hunters (including xenos). The organization is quite old and loosely organized - there are actually many Beast Houses operating on different worlds. Most of their activities are legal, but they do engage in some criminal activity. They generally do not stray too far into heresy, but from time to time the Ordo Xenos has purged this or that Beast House when their xenos activities have crossed the line. The Ordo Hereticus has also purged a number of individual Beast House operations.