User blog comment:Xilinoc/Ch. 685 - THE PERFECT END/@comment-3185063-20160804145605/@comment-5859784-20160804173528

Rose and Kensei's "Death" was a part of the Visionary and even during the fight it was shown that as soon as Gremmy stopped concentrating on whoever was receiving the Visionary powers, the power would fade. I think the same thing that happened with Toshiro and Rangiku happened to where they went through the process of being unzombified