Water Dragon Slayer Magic

Water Dragon Slayer Magic (水の滅竜魔法 Mizu no Metsuryū Mahō) is a Caster Magic, Lost Magic, and a type of Dragon Slayer Magic that utilizes the element of water.

Description
Water Dragon Slayer Magic is a form of Dragon Slayer Magic that allows its user to generate, manipulate, and presumably consume (like other forms of Dragon Slayer Magic) the element in question, which in this case is water.