This does not mean they are all Mimic Boxes though, real Mimic Boxes are actually very rare enemies. (seikens.com)
This makes finding rare enemies like Metal Slimes, or avoiding powerful enemies you don't feel ready for, far easier than in the original PS2 version. (monstervine.com)
With randomly generated missions, over 50 unlockable items and the potential for rare enemy loot drops, commanders will face a new crusade with every play through. (impulsegamer.com)