Definitely my favourite episode of the new season so far. After watching Railgun glad to see Index diving into this. Had been wondering about Accelerator since his injury in the first season. Seems he's recovering fairly well though obviously not unaffected. Needing to use the network to use his ability is some irony after he killed so many of the sisters in the first place. Still the interactions with LO were cute
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Feel for Kuroko. She got hit blindsided by another teleporter and then starts to find out there is a lot of darkness around Mikoto that she never knew about. Mikoto was trying to keep her out of it and wrap up things herself. Seems she was also trying to keep Touma out of it. Of course a teleporter would be a bad match-up for him. Especially this girl who doesn't have to touch what she is teleporting.
Next episode looks to be pretty chaotic. Still will definitely read through the novel to see what was cut out.