Korasi's sword (e) is an enchanted version of the regular Korasi's sword. If you take it to Korasi or Jessika after obtaining 300 quest points, she will enchant it, increasing its bonuses and changing the special attack. Korasi's sword (e) has a special attack called Slaughter, which will entangle all enemies in a 3x3 square, and hit all of the enemies with 100%-250% of your weapon damage.