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Well in Phantasy Star online there are many kinds of weapon. I will list them down for you.

Hunter weapon:

Saber type- The saber weapon is a good for attacking quickly.

Sword type- It can attack 5 monster at a time so its a good weapon if there lots of monster.

Partisan type- It can attack 5 monsters at a time so its a good weapon if there r lots of monsters

Dagger type- Two short blades that can attack twice with each single attack