fighting style master

your skill in fighting style becomes perfect. you gain the following benefits:

• You can't be surprised while you are conscious in a fight.
• your armor class increases wean you start your first turn in a combat. the armor class increases by number equal to the number of fighting stays that you know (maximum 3). the armor bonus ends wean the fight end. 
• wean you deal damage with fighting style the damage increases by number equal to the number of fighting stays that you know (maximum 5).
• wean you gain exhaustion points in combat you ignore them until the end of the battel.