Talk:Riven Mods/@comment-29048956-20161114105744/@comment-141.228.114.7-20161114110921

There is the (trade obtainable) body count mod which makes the combo counter last 12 extra seconds before resetting and a (much easier to obtain) nightmare mod which extends the duration of the combo counter  by 10 seconds. Either mod makes this challenge trivial.

You will require a pet though.