my opponent announces sudden movement targeting his personality in the battle and his personality at home. can I interrupt with final sacrifice to have him target my yojimbo in the battle and my personality at home?
sudden movement and final sacrifice
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.
my opponent announces sudden movement targeting his personality in the battle and his personality at home. can I interrupt with final sacrifice to have him target my yojimbo in the battle and my personality at home?
No.
With the changes to targeting in Twenty Festivals, and the errata to Final Sacrifice, it attempts to change one of the targets of the action to be your Yojimbo, and since he and your opponent's Personality aren't a legal pair of targets for Sudden Movement, the re-targeting fails.