*sighs*
40% fail
20% he likes you and decides to teach you for 2000 gold and 1 gem to get a Lvl in your jutsu
40% he attacks you....
He has your attack/defence, hits you with katon ninjutsu, your mount is occu[ied in another fight with the masters mount, and he has more HP than you.
Win- You barely manage to walk away with your life after you knock out the master of the ninja academy.
Lose- The master shows you no mercy, he hits you with his kunai directly in one of the vital spots... You die - lose 5% exp and all gold.