A classification of new group of monsters in Diablo 3.
The 'Reaper classification is for monsters invading the mortal realm of Sanctuary that have been created or corrupted by Mathael. These creatures include Death Maidens, Punishers, Executioners, Ghastly Seraphs, Exorcist_(monster)s, War Beasts, as well as list of the undead like Revenants. Reapers differ from demons because they are created through tainted angelic power instead of demonic power.