Tales Season Rewards are broken.

grogthemagnif

20,000 AD should never have been a seasonal reward. Only the Neck and Waist rewards should be there and when you get one then it should be greyed out so you don't accidentally take it.

grogthemagnif

AND once you have both artifacts then the AD cask can be sold for additional (if any) Fabled Tales won in combat ONLY ON THE TREASURES TAB.