Hai Jeling

General
[Hai Jeling] is a weaponsmith in Seitung Harbor. If you deliver to her the required input amount of crafting materials and pay her a fee in gold she will craft you a weapon of your choice from her menu.

Also, for a fee of 10 gold she can customize a weapon for you, which will increase its damage by 20%, but means that no other character except the one it is customized for can use that weapon.