Wh--
No need to speak, I can read your thoughts.
Regarding your question, an "Avatar" is a living being that is blessed and embodied by a higher Spiritual Being.
(Why were I chosen?)
The answer is fairly simple, it's because you possess the qualifications of being drowned in desperation and despair yet still overcoming it to survive.
Now, our talk has taken a bit of time so I shall send you to my domain first.
Wait for me and do not touch anything.
...
Oh I almost forgot, I'll fix you up before you go.
-- and it's done.
"*Darkness Rises*"
=We shall meet again=