Mystery Sack is a unique item which Emperor Tengu will give the player when he sends them on a journey to kill the notorious Grievewrath. The sack contains Tengu's royal seal so that the character can retrieve the "Elixer of Godly Powers" from Clunknad Spanner, the skeleton wizard.
Trivia[]
- It's simply a half-chewed Greenfruit inside a sack, with the added bonus of Tengu's saliva.
- The legend of a similar name "Grievewraith" can be found mentioned in the Legends Series.