Six large exhaust pipes are the most prominent feature, running along almost half the length of the back of the blade. It lacks the ornate covering of the original Red Queen, instead having all the functional elements of the injection system exposed. In Devil May Cry 5, the Red Queen has a more curved aspect to its blade, and the remainder of the sword has been totally redesigned. This and several other modifications makes the Red Queen nearly impossible for anyone but Nero to wield.
This system is also strong enough for Nero to be able to use it as a jet. This system, known as " Exceed", can be revved up to three times, and can be released either in one incredibly powerful strike, or three separate stinging blows. "Great Knife"), but its most unique feature is that it has been specially customized with a motorcycle-like grip which, when twisted, sprays a flammable fuel across the blade, greatly increasing the power of its blows. It has an ornately etched base, and appears to be modeled after the German Großes Messer (lit. Nero is sufficiently familiar with Red Queen that he can fully assemble the sword within thirty seconds of opening the case.
Its precise origin is never stated, though it could be assumed to be an experimental weapon: the note that only Nero can wield it implies some degree of testing occurred in order to establish this. It incorporates similar technology to the swords and lances used by the Order, but with significantly increased capabilities. Red Queen was kept in the possession of the Order of the Sword at the time of the incident on Fortuna and was shown to be stored partially dismantled in a military-style protective case, sufficiently heavy that Kyrie could barely move it.