A topic from AEG's L5R CCG Rules forum, copied for Oracle of the Void from a copy of the forum saved in October 2015, so pages it didn't save are missing. Players' names are left out; the rules officials are named. Rulings are as they stood on these dates; later rulings, the rulebooks and the Rules Archive may differ.
A player, 3 December 2007
viewtopic.php?f=59&t=63702
If I am understanding the above thread correctly, if you have 5 dead personalities in your discard, you can keep moving the Soul Jar to different people in play and resurrecting them permanently, as long as the Soul Jar moves to someone who is already straightened?