Alien Syndrome Hard mode
Successfully complete the game on the Normal difficulty setting to unlock the Hard difficulty setting.
Expert mode
Successfully complete the game on the Hard difficulty setting to unlock the Expert difficulty setting.
Recommended character
It is recommended that you start out as a Seal, and use laser weapons so that you will never run out of ammunition.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original