Oh ok, it was never really clarified what was going on there. I watched the episode with that flashback right after reading the latest chapter and it hit me that maybe that's what was happening in that scene. Like maybe Isshin hid a Hougyoku or something similar in Rangiku.
英雄メンバー / Eiyuu Menbaa / Hero Member
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Re: Did someone hide a Hougyoku inside Rangiku?
I also wonder how much he took from those people. Did he just drain them of reiatsu or did he literally feed the Hogyoku pieces of their souls. Would Rangiku be a more powerful Shinigami if Aizen's goons hadn't done whatever they did? Gin talked about taking back "what was stolen from her", was he literally out to grab the Hogyoku so he could return her full potential? Hmmm...