The Dorias Cluster was a stellar cluster that consisted of over twenty star systems, including the Xendi Kabu system. The cluster also contained a dichromic nebula and a class 4 pulsar, positioned three light years apart. In 2370, former DaiMon Bok sent a number of message probes to Captain Jean-Luc Picard from a ship near the Xendi Kabu system. (TNG: "Bloodlines" ) According to the script, the cluster's name was pronounced as "doe-RYE-us". [1]