Aura Types
Fortifier, Metamorphose, Manipulation, Creation, Emission, Nature, and Space.
1. Fortifier-type aura: The type of aura that can strengthen one's body or object.
Users: Zero Daille, Willy Huston, Rufus Fronda, Ain Fronda, Gaius Xeros, Theo Xeros
2. Metamorphose-type aura: The type of aura that can change its property from aura to something else such as rubber or metal.
Users: Theo Xeros
3. Manipulation-type aura: The type of aura that lets you connect to an object and manipulate it using this aura. Sometimes, you can also control other people's aura or mind.
Users: Yuno King, Theo Xeros, Lily Xeros, Rafaela Xeros
4. Creation-type aura: The type of aura that can materialize into something else that you've known of.
Users: Yuno King, Lily Xeros, Fred Dwaine, Theo Xeros
5. Emission-type aura: The type of aura that can be detached.
Users: Theo Xeros
6. Nature-type aura: The type of aura that controls nature itself.
Users: Lucy Scott, Viole Wellston, John Thompson, Anselmo Anderson, Elizabeth Bastion, Cera Bernardo,
7. Space-type aura: The type of aura that controls the space itself, only a handful of individuals can use this freely because they have high aptitudes for this.
Users: Yuno King, Bryan Vasquez, Fred Dwaine, Lily Xeros, Falon, Theo Xeros
CREATORS' THOUGHTS 
Hydro_Contella
Hydro_Contella The characters will be updated once there are a new character.
Note: I excluded Theo's parents because they have a background that must not to be known for now.
:3