Which is better, bullet hall Sima or scalpel? Tell me why.

Sima, a weapon with both offensive and defensive functions. Both offense and defense are relatively high. Many people like to use this. Where is the scalpel? It is very sensitive. Aggressive and agile. The higher the agility, the higher the damage skill. If the combat is high, you can choose a scalpel. If the battle is high, your defense should not be very low. In the 3W war, it is best to choose Sima, which is both offensive and defensive, and it is very easy to use both copies and competitions.