The Reaper

Ways to Obtain
Calendar - Trove of mounts, Credits, Events, and In Game Currency
Currency
Autumn Harvest Signet and Credits
Mount Types
Murdantix
Colourings
Black and Grey
Speed
Autoscales

Available to purchase during the Autumn Harvest World Event.
Available as an account wide unlock for credits.
Available to purchase for a single character with event currency (15 signets)