This is more so for myself because I haven't memorized all of this and I keep thinking about what kind of Magic someone is using when I see them now. I am just going to quote FKS's translation here.
It can be a good thread to talk about Magic abilities in general.
Magic is the mysterious force various creatures inhabiting Britannia possess. The force is diverse and classified into 9 types of magic.
There are very rare instances of a person possessing two or more types of magic. Among these people, one out of everyone possesses four or more types of magic. Such people are called Heroes.
It can be a good thread to talk about Magic abilities in general.

Magic is the mysterious force various creatures inhabiting Britannia possess. The force is diverse and classified into 9 types of magic.
There are very rare instances of a person possessing two or more types of magic. Among these people, one out of everyone possesses four or more types of magic. Such people are called Heroes.
- Destruction type - Magic that directly attacks the target with natural forces like thunder or flame, or a non-natural dark force.
- Alteration type - It modifies the properties of matter. There are a ton of varieties to it, like modifying an object's weight, the hardness or water into ice.
- Restoration type - A force that heals the wounds or ailments. Its effects and scope are diverse. It is regarded to be mostly the Goddesses' magic.
- Search type - Different forces, like locating a particular object or finding out how genuine a person is, have been identified.
- Mental type - It is regarded to be able to manipulate a person's mind and their memories. Depending how it is used, it can be more powerful than the Destruction type.
- Deception type - A magic that generates illusions or causes audition hallucinations. It is thought to be found in Fairies for the most.
- Stealth type - A shadow force that lets one to approach their opponent without being noticed or track the opponent's movements from faraway.
- Enchantment type - Unlike the Destruction type, it bestows a natural force, like a thunder or a flame, or a non-natural force to a tool or a weapon.
- Oracle type - A force surpassing the human intellect, that predicts the weather or the future events. It is regarded to be the rarest of 9 types of magic.