Prometheus

Prometheus is a Shingu shown only in the prequel series, Akame Ga Kill!: Zero. It takes the form of dual pistols.

History
Prometheus, like all other Shingu, was created four hundred years before the start of the series by the emperor of that time in an attempt to create weapons that could surpass the Teigu.

It was kept hidden in the Empire's secret storage until It was given to Tsukushi by Gozuki.

Abilities
It grants its wielder the ability to fire bullets in unnatural trajectories, reflect shots, and fire special bullets. However, repeated usage decreases their accuracy.

Trivia

 * Prometheus is the name of a titan who sided with the Olympian gods in their war against the titans.