Cavern Dragon Slayer Magic

Cavern Dragon Slayer Magic (岩窟の滅竜魔法 Gankutsu no Metsuryū Mahō) is a Caster Magic, Lost Magic, and a type of Dragon Slayer Magic that utilizes the element of earth.

Description
Cavern 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 earth. Said Magic has been shown the ability to completely decimate the ground in an explosion of stones and rocks, leaving the immediate terrain in disarray.