Echolocation technique

Echolocation technique: The user creates a sound of their choice and listens to the way the sound waves reflect off their surroundings gifting them blindsight within a 50ft radius of themselves. Rank: D. Style: Animal. Chakra cost: 15 per round. Range: 50ft radius centered on self. Save: None. Damage: None. Focus: Yes. Requirements: None. Enhancement: Doubled radius. Minor action