Sound Vision

Regular 
The subject sees by sound, like a bat or dolphin, as if he had the Scanning Sense (P, X) (Sonar) advantage. The Silence and Wall of Silence spells are equivalent to Darkness to the subject, while someone using Hush or Mage-Stealth will be effectively invisible to Sound Vision. The subject may still see with his normal vision, if he wants to and there is light to do so.

Duration: 1 minute. 
Cost: 5 to cast. 2 to maintain. 
Prerequisite: Magic and Abilities/Spells/Sound Spells/Keen Hearing or the Acute Sense (P) (Hearing) advantage.

Item 
Staff, wand, or jewelry; only affects the wearer.  
Energy cost to create: 400.