from my best guess, you have to defeat chaos lord kitsune a few times and he may drop it.
/join kitsune
If you mean the Hanzamune Dragon Koi Blade, then it is dropped from Kitsune in the location Kitsune (/join kitsune).
A Koi-dragon is mythical Japanese creature that is half koi fish at the back and a dragon front end
You can get the sword by defeating Kitsune(easier) or O-dokuru head(harder)!
There is no beam sword in aqw.
i believe it was from an event
In AQW the evil elemental drops cursed bone sword.
in ninja gaiden dragon sword your character(Ryu Hyabusa) starts with the dragon sword.
you get molten sword from fotia flame shop, hopes this helps
Daily quest, Sunday
depends on what you like.
you cant
A Sword for a Dragon was created in 1993.