To unlock the following, complete the following tasks.

Unlockable	How to Unlock
Arcade Mode: Legend Difficulty	Reach Player Level 35.
Character system voice	Complete Command Training as the character.
Music Track: Blazed up Melpomene	Helena level 15.
Music Track: Showdown	Player level 48.
Music Track: Tehu Tehu	Ayane level 12.
Music Track: The Shooted	Ryu Hayabusa level 10.
Music Track: Ultimate	Player level 46.
Survival Legend Difficulty	Reach Player Level 45.
Time Attack Legend Difficulty	Reach Player Level 40.