It will not prevent players from speaking in any chat channel, nor will it stop abilities that would seem to rely on sound or voice, such as Whistle or Warcry.
How to remove the effect
- The White Magic spell Silena will remove this effect. (Note that this spell cannot be cast if you yourself are silenced.)
- Using a vial of Echo Drops, Remedy, or Remedy Ointment will remove this effect.