From Guild Wars 2 Wiki
- Blinding Befuddlement: Increased duration of applied confusion from 1 second to 4 seconds.
- Can now trigger only once every 5 seconds on any target that is blinded by the mesmer.
- Confusion (4s): 40 Damage, 50 Damage to Players on Skill Use, 96 Damage to Non-Players on Skill Use
— In-game description