Even if you are not a six-level chef, you can defeat Salomon Da. First, summon a monster to fight Salomon Da (the monster of Black Gula) and fight against Black Gula. As a result, you will definitely lose. After losing, an animation will appear, and then Freya will be attracted. Then you can manipulate Freya to defeat Salomon Da. After defeating Salomon Da, you will get a gift menu called Freya. This method is also ok. There is another method.