Once you managed to complete it, you will be given extra experience points for each enemy you killed along the way. If you want to kill all enemies with this feature then you then it can be done at the same time by performing a short quick-time-event. As long as you are in Judgement mode, enemies would not be killed by your shots, but they will remain dying and gain the mark of Freed from Destiny. Notably, Judgement mode will slow downtime for a while and let you unload all your fury against particularly tough enemy groups and even bosses.
