From Guild Wars 2 Wiki
When you apply an aura to yourself, grant that aura to all nearby allies as well.
- Number of Targets: 5
- Radius: 600
— In-game description
- All effects of traits which enhance use of auras are transferred to affected allies. This also includes gaining Fire Shield by using a signet with the trait Fire's Embrace equipped, and for Shocking Aura through Tempest Defense. This excludes Arcane Resurrection.
- Auras granted by combos do trigger Powerful Aura, except for Light Aura.