unsealing a j sword

[Gorius]

*subject* how do you unseal a j sword

[Reenee]

http://www.pso-world.com/viewtopic.php?topic=52645&forum=7&6

[chaotical]

supposedly, you are supposed to kill a large number of enemies, such as all of them in the game, on hard or very hard mode, that is all i know...