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, 19 September 2011
Do the personality brought back to play by Will gets bowed by Crippling Weather?
Will Dark Virtue Battle: If you control an opposed unit at the current battlefield, target your dead Samurai Personality: Bring him into play there, paying 2 less Gold and ignoring Honor Requirements
Crippling Weather Winter Battle: Destroy all terrains in play. Until this battle ends, no new terrains may be played. After each time this battle an action ends, bow any Personalities who performed it
Thanks!
Brook Cunningham (rules official), 19 September 2011
Do the personality brought back to play by Will gets bowed by Crippling Weather?
Yes.
Will is performed, because the Samurai is targeted in constraints and it was printed before The Plague War changed to explicit performing.
The Personality is brought into play as the last effect of the action, after which it ends, after which he bows due to the Crippling Weather.