[SPOILER WARNING!!!]

[Author Note: You don't have to read this to understand the novel. It's for the nerdy folks]

--Low-class--

Requirement: Filled their heart with mana

Ability: Chant simple magic spells such as lighting a ball of fire.

--High-class--

Requirement: Filled their organs with mana

Ability: Can chant magic spells that can murder such as a fire that can't be put out by ordinary water

--Master-class--

Requirement: Filled their whole body to the brim with mana

Ability: Wields magic that can destroy buildings and infrastructure

--Lord-class--

Requirement: Has a torrent of liquid mana flowing through their veins

Ability: Can order the elements to destroy an area as large as a neighborhood

--Royal-class--

Requirement: Created a mana heart

Ability: Can destroy a whole city with a single spell

--Grand-class--

Requirement: Comprehended a natural law

Ability: Can end a whole nation in the blink of an eye

--Forbidden-class--

Requirement: Recreate their whole body in mana

Ability: Can bring forth a calamity