Certainly! Here is a list of 10 unnatural or supernatural creatures that occur in superstitions, folk tales, legends, and other sources from about the 2nd to the 6th century in the area of France or Gaul:

1. The Basilisk: A mythical creature often depicted as a serpent or dragon with the ability to petrify its victims with a single gaze.

2. The Changeling: A creature believed to be a fairy or other supernatural being that would secretly replace a human child, often with a sickly or mischievous creature.

3. The Dullahan: A headless horseman often associated with Celtic folklore, known for riding through the night, carrying their own head in their hands and foretelling death or disaster.

4. The Nixie: A water spirit, typically portrayed as a female, inhabiting rivers, lakes, and streams. They were known to lure unsuspecting victims into the water with their enchanting voices.

5. The Erlking: A malevolent forest spirit or elf, associated with Germanic and Norse mythology, said to lure people, especially children, into the woods to their doom.

6. The Banshee: A female spirit in Irish folklore, known for her wailing cries that foretold the death of a family member. She often appeared as an old woman with long, unkempt hair and wore a grey or white shroud.

7. The Werewolf: A creature that could transform from a human into a wolf, either voluntarily or due to a curse or affliction. Werewolves were often associated with darkness, moon cycles, and the supernatural.

8. The Harpy: A creature with the head and torso of a woman and the wings and talons of a bird. Harpies were known to be vicious and would often torment and carry away individuals.

9. The Succubus: A female demon believed to visit men in their sleep and engage in sexual activity, draining their life force or energy.

10. The Manticore: A legendary creature with the body of a lion, the face of a human, and a tail that ended in a cluster of poisonous spines. It was known for its ferocity and ability to devour its prey.

Please note that these creatures are rooted in mythology, folklore, and superstition and may have various interpretations and regional variations during the early medieval period in France or Gaul.

Five more:

Certainly! Here are five more creatures from the early medieval period in France or Gaul that are simpler and can be fought and defeated by humans:

1. The Gargoyle: A grotesque creature typically depicted as a stone statue that comes to life at night. While formidable in appearance, they can be defeated by breaking or destroying their physical form.

2. The Kobold: A mischievous creature from Germanic folklore, often portrayed as a small, impish being. While they can be bothersome, they are not particularly powerful and can be outsmarted or driven away with cunning.

3. The Pooka: A shapeshifting creature from Celtic mythology, known for its mischievous nature. Although capable of causing chaos, they can be appeased or banished through rituals or offerings.

4. The Imp: A small, lesser demon commonly portrayed as a troublemaker. Imps can be dealt with through protective charms, rituals, or summoning more powerful entities to banish them.

5. The Wraith: A ghostly spirit or apparition of a deceased person, often bound to a specific location or seeking revenge. Wraiths can be laid to rest by discovering and addressing the cause of their unrest or performing sacred rites.

These creatures, while potentially dangerous or bothersome, can be fought or defeated through various means, such as physical combat, clever tactics, or employing specific rituals and countermeasures.