The stars do not symbolise the players knowledge about the game, and as CKANE has stated earlier that the rank is just a collection ranking not a knowledge rank.
So stop pestering this thread by asking such immature queries and sarcasm, shall we?
Fury, altough it sounds like it would affect POWER doesn't.
FURY ONLY AFFECTS DAMAGE BY ADDING 2.
Power is dependent on the characters power number, bonus and ability.
Attack is dependent on your power, bonus, ability, and pills.
Damage is dependent on your characters damage number, bonus and ability.
This will be added to the URTournament.org's encyclopedia for future reference.