Indicators
Engineering and Astrology
Indicators show your current Astrology modifiers for their respective modifiers.
They can be bought from players or from Urania in Arius for 40-50 gold coins.
They are also a good leveling item for Engineering it seems as they can be sold back to Urania.
The Astrology Indicators currently in game are
A/D Indicator
Criticals Indicator
Accuracy/Magic Indicator
Harvest/Degrade Indicator
Make Rare/Fail Indicator
If you want to know how those modifiers will change in the immediate future, you can buy the respective Predictor from Urania for 80 gold coins.