sensei help

[vader]

can you be a brown to fight him and get ninja or do you have to get a black belt to fight him or just tell me plz. im purple right now and i was wondering

[Hazz]

You have to earn a Black belt to have a chance of beating him.

[vader]

You have to earn a Black belt to have a chance of beating him.
ok thank u:D:D now i know

[PS3]

It's impossible you HAVE to be a black belt to be a ninja. Not brown or purple just black. Then fight sensei (He's hard though) then if you beat him, you can be a ninja.