Seen this on Reddit
How to make a bunch of Eldan, Intricate and Normal rune fragments for less than 2g per fragment average
From the Augmentation vendor in near fortune ground(thayd) or Augmentation vendor in merchant district(Illium). You can purchase a Lvl 15 item for 60 silver that salvages into those runes, if runes are worth more than 2 gold on ur server you are getting hustled and should just do this instead