WOE (Weapons of evil) comes with a mutator called sentinal. Just try the mutator in Fh and see what the little hell turrets can do to them monsters (dont get too cockey with them, warlords, titans, queens, and sometimes large groups of skaarj, mercs, and brutes\behemoths can make short work of both kinds of sentinals)
the download link is in this topic in the atari forums
http://www.ina-community.com/forums/showthread.php?threadid=319608
the download link is in this topic in the atari forums
http://www.ina-community.com/forums/showthread.php?threadid=319608