Quote Originally Posted by Sir Cloud
provoke does beserk. but it only beserks to make them attack the provoker (funny word)
No, Provoke and Berserk are two different status effects, Provoke makes all the enemy's commands go to the target that casted it and Berserk makes you randomly attack.

Quote Originally Posted by mega_tonberry
i always thought that you could customize you weapon to put beserk on it! Anyway, could you mix something to cast beserk?
No...