How do you unlock Soul Edge Complete in Soul Calibur 2

To get everybody's Soul Edge Complete you have to beat the game once.
Then when you have the extra missions go to sub-chapter 4.
Beat that.
Then beat the chapter above that and go to the shop.
There you can buy everyone's Soul Edge Complete.
Note:This is everyone's best weapon.
But you have to pay $7,500 or more to buy one.