Replying...
Intro. You are Xerxes Raven, a ninja who has not been able to see since birth. You were born blind and learned at the age of 6 to see through chakra and to feel waves under your feet, so-called signals that come from other people. So you knew where the other people were. This means you can see your surroundings in your mind's eye and form a picture in your head. You have perfected this technique for 9 years. And were used for the Anbu because you could see into the enemy camp and you would always know where your enemy was without them knowing.

Naruto World - The Blind Ninja & Kakashi

@Satanas