Twilight Ogre (黄昏の鬼, トワイライトオウガ, Towairaito Ouga) is one of the Legal Guilds in Fiore.
Situated in the Kingdom of Fiore, it lies on the southern coast of the country in Magnolia Town, which currently is a main guild. Their headquarter is represented by the impressive building, that leads to a massive gate, richly ornamented. At the top, the building is decorated with a pair of giant horns and a number of spikes on the roof, waving a flag with the symbol of the guild. In the anime, the building had different design: It had a Japanese style, a bigger gate, a pair of chains and a pair of fences. In the top, the pair of giant horns had spikes on them, also it had the words MAKE MONEY and an Ogre face with two crossed spikes. The name of the guild is displayed in the green Japanese ornament.