Twin Caliber
Invincibility
While playing the game, press Up, Right, Down, Left, Up, Down, Right, Up, Left, Down. Note: This code must be re-activated upon entering another level.
Infinite ammunition
While playing the game, press Left, Right, Up, Right, Down(2), Right, Up, Left, Down. Note: This code must be re-activated upon entering another level.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art / Original