Exploit Rune duplication

Hi,
Yesterday I accidentally found an exploit that allows you to duplicate runestones.

  1. I have my runestones in my stash
  2. I wanted to add a new runeword to my armor and directly add runestones from the stash to the slot in armor.
  3. The runestone effect was added to the armor and the runeword was active, but the runestones were not consumed. I placed them in the character’s inventory.
  4. Then I went to the jeweler and took out these runestones from gear, which gave me additional runestones.

It was around 23:00-23:30 CET