Augments

Augments (Formerly Auras, renamed due to confusion) are basically Gems you equip to your Character.

This is done in Mns-HUB > Spell Hotbar Gui

They provide massive amount of flat stats are are often multiplicative in nature.

The catch is they cost Augment Capacity to equip. Getting more capacity is very difficult, either through talents, unique gears, rare affixes or item corruptions.