>>717150005
https://www.youtube.com/watch?v=Gs5gALlC7nc
It's in the base game. It costs 1200 JP to unlock (2500 in WotL) and has a speed of 5. It's basically worthless unless you just want to go for style points.
>>717152247
>I'm assuming said randomizer also deletes the Buster Sword requirement for Limits?
Yes it does, mercifully. The randomizer makes Limit work like the other sword skill commands in terms of weapon requirements.