This is a list of the monsters of Rem Boreas with their weaknesses:
- Amnesia Moon: Thunder
- Chaos Mask: Expa
- Creamer: Thunder
- Can start the battle in a deep sleep. Damage will not wake him, but he will wake up after a few turns.
- Dagger Kid: Expa
- Evil Daruma: Fire
- Can become dazed or nervous and lose their turn.
- Grave Feline: Water
- Life Bird: Expa
- Muffy: Fire
- Night Messenger: Fire
- Pinchy Pinchy: Ice
- Power Demon: Expa
- Has a high chance to critical hit. Deals heavy melee damage.
- Psychochigo: Fire
- Slip Crane: Ice
- Snowthing: Fire
- Can become dazed or nervous and lose their turn.
- Tiktok: Expa
- Tongue Puller: Thunder
- Toothache: Thunder
- Zombie Dog: Ice