Tokobot
Completion bonuses
Successfully complete the game to unlock Time Trial mode and a bonus game center.
Easy parts
Kill monsters to get Tokobot parts in an area with a door nearby. Exit through the door, then return to the previous area. The monsters will have respawned, and can be killed again for more Tokobot parts. Repeat this as many times as desired.
The image featured at the top of this post is ©The Legend of Heroes: Trails of Cold Steel III key art.