

They are one of the keys to progressing into the upper greater rifts.

These augments are extremely important for endgame content. If you augment a second time, it just overwrites the first augment. You aren’t able to augment twice to double the effect, though. So, a rank 50 legendary gem will give you an additional 250 to your primary stat (chosen by standard gem type). The legendary gems are the critical component in this recipe you receive +5 points to an attribute chosen by Flawless Royal gem (Amethyst for Vit, Ruby for Strength, Emerald for Dex, Topaz for Int, regardless of item type) for every rank of your legendary gem. How does augment ancient items work? So basically, what this recipe does is make your current ancient item better.
