From Guild Wars 2 Wiki
You and all allies gain stealth for a short time.
- Stealth(5s): Invisible to foes.
- Number of Targets: 10
- Radius: 1,200
— In-game description [?]
- Prismatic Understanding — Cloaking skills last longer, and you gain a random boon when you are cloaked.
- Mass Invisibility affects a maximum of 10 allies, including yourself.
- When used underwater, the activation is 1 seconds. ¼
 Related Skills
- Area Stealth