Aura Vision

Aura Vision is tge ability to enhance vision, and in rare cases it can allow a user to see things outside of the visible light spectrum in an ability similar to echolation.
Some aura users can also see a visible Aura emanating from a person's body based of their mood and can be used to pick up on a peron's Aura "vibes" that they are projecting subconciously.
Dante shows his natural ability to use Aura Vision, and when used in tandem with his AV Glasses he is able to use both of these enhancements to excel as a Bounty Hunter Spotter.
Dante can use his Aura Vision to cover his blind spots and detect life forces even when walls or other structures impede his vision. He tends to overrely on his glasses and therefore is limited is his ability to use his Aura Vision, and can only fully use his Aura Vision when he closes his eyes.
Since Aura Vision is similar to echolocation, Dante also tends to smack his fist into his palm as a way of sending out a small echoing wave he uses for calibrating his senses to his environment,