Generally, people farm with a bow. Try and buy a SOS 16 bow. Being pure INT will make you 1-shot them if you have good gear.
People go with spear until the early 50's then switch to Sword. Start with a spear, until 30, for a faster grind. It's your choice after that.
You can make a dual weapon character with both sword and spear skills.
Look for the stickied guides in the characters & skills section to find out more about these pure INT builds.
