Auras are best described as colored and possibly patterned emissions from a player character's body or parts thereof. They can be static or have an animated effect.
Auras were introduced with game update 14, first available through Promethium Lockboxes only and initially not tradable. They were considered to be a subclass of accessories until they became their own style slot with game update 92.
Auras versions merely surrounding parts of a player character's body are called modular auras.
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.png "PLB Aura (generic).png (6 KB)")
.png "MP Aura (generic).png (5 KB)")
.png "MP Aura 4 (generic).png (7 KB)")