Aura

Auras are best described as colored emissions from a player character's body or parts of it. They can be static or have an animated effect.

Auras were introduced with game update 14 and first available through Promethium Lockboxes only. The were considered to be a subclass of accessories until they became their own style slot with game update 92.

Auras merely surrounding parts of a player character's body are called modular auras.