Since Joined Trill characters likely have had or will have multiple hosts, it may be helpful to track what has been established about each host. Here is a form-fillable Trill Central Database Host Tracker, to track different hosts. There is space to record any Focuses that a Joined Trill may have invoked during play using the Joined Talent. This will also help if a Trill character is undergoing a zhian’tara ritual, as other players can play previous hosts with the help of the information tracked on this form.
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