Quote Originally Posted by Dagren View Post
#345, last panel.
Worse than that. The Listen check to HEAR someone spellcasting is roughly DC 0. Localizing him to a single square based on the sound is no worse than DC 20.

Is there any reason to think that ANY of V's spells are prepared silent?

Maybe one or two escape spells, but most of his spells can't be cast invisible without giving away his location.