the counterattack mechanism is a flat reflect dmg based on per instance of dmg inflicted. (aka VH gets triple lightning counter when they attack, yay)

also by this point I think we should just forget about mentioning furfur. it's not the only place where Rita is useful.
http://harem-battle.club/millennium-...html#post18163
my poor video guide sharing thread, lost in the flow because I didn't remember to share any more videos and neither did others. and neither were there really any comments so god knows if people cared. probably not though.

anyway, in particular: (since I know you guys are all lazy)
anyway, here's a video of 3 AW'd Rita (Sniper's shadow, unit farm event that we might get within the next 10 events based on lafate's potential next event thread) clearing the current event's G tier map in DMM Aigis:
http://www.nicovideo.jp/watch/sm28250476