Soulcaliber IV, X360... how do you unlock "The Apprentice"?

Question

I know that Darth Vader is on PS3 only and is or will be for download soon on marketplace for 360, but how do you actually unlock his Apprentice? I've beaten him on level seven of arcade mode and i thought that's how you do it but it didn't work.

Answer 1

try using yoda on arcade mode

Answer 2

on arcade mode wit yoduh lol yoda

Answer 3

You have to beat him with Yoda.

Answer 4

you beat arcade mode with yoda