Dragon Slayer Magic (Jester of the Gremory Clan)

Dragon Slayer Magic (ドラゴンスレイヤーマジック, Doragon Sureiyā Majikku) is a ancient and powerful form of magic utilized by Humans, Devils, Angels etc. The magic is used to harm and kill dragons.

Summary
Dragon Slayer Magic is a fusion type of magic, and is fusion of Elemental Magic, Black and White Magic and a faction of a dragon's soul, which allows its users to transform their physical bodies into a Dragon. As a result, the user can transform their body with features of their respective element, utilizing both offensive and defensive styles. A Dragon Slayer is immune to the effects of their own element, and can consume external sources of their element to replenish their strength. However, a Dragon Slayer cannot consume the element that they produce themselves, and elements must be consumed through the mouth. Dragon Slayer Magic is one of few ways to kill Dragons, who are shown to be mostly unaffected by other forms of Magic.

Learning Dragon Slayer Magic
The way someone learns one or multiple forms of Dragon Slayer Magic, is like learning any other type of magic, but to fully master it the person must either slayer and absorb the soul of a dragon or eat dragon fire.

Types of Dragon Slayer Magic
There are several different variants, types and elements of Dragon Slayer Magic ranging from poison to Black Magic to even pure annihilation. The type of Magic that Dragon Slayers are able to employ, this magical art is destructive and very dangerous. As it names state this is a type of Magic that's highly effective against Dragons and Dragon related beings, being able to harm or even kill one. After the user master this magic, they'll be able to even reap the souls of Dragons.

Known types of Dragon Slayer Magic are:Image less Types:
 * Black Dragon Slayer Magic
 * Tempest Dragon Slayer Magic
 * Absolute Dragon Slayer Magic
 * Heavenly Dragon Slayer Magic
 * Damascus Dragon Slayer Magic
 * Blood Blade Dragon Slayer Magic
 * Tremor Dragon Slayer Magic

Trivia

 * The idea of Dragon Slayers are based off, the Dragon Slayers of Fairy Tail.
 * The Purgatory, Thunder, Damascus and Tempest Dragon Slayer Magics are types in Fairy Tail.