Oil Dragon Slayer Magic

Oil Dragon Slayer Magic (油の滅竜魔法, Abura no Metsuryū Mahō) is a Caster Magic, Lost Magic and finally Dragon Slayer Magic that utilizes the element of oil to slay dragons. It is noted to be very sludgy and sticky, similar to oil in its unrefined or "crude" state. The only user appears to be the young CEO of a powerful oil conglomerate based in the north of Fiore. It is likely she is utilizing this magic to boost her own fortunes while driving out competitors due to the prices she can charge effectively "flooding" the market.