Kuroganemaru

Kuroganemaru (黒鉄丸, Black Iron Circle) is a specially customized shotgun wielded by Kaguya, created by her lover, Hajime the greatest Synergist of Tortus.

Appearance
Kuroganemaru is a shotgun that is jet black in colour. The left side of Kuroganemaru is engraved with Japanese kanji of its name.

Abilities
One of Hajime Nagumo's masterpieces, Kuroganemaru is a technomagical Shotgun, being crafted from composite alloy of Tauru ore, Shutaru ore, and Azanthium ore of highest quality. Kuroganemaru is customized by Hajime to have outstanding firepower in close quarters which make up its lack of speed. It uses Shotgun slugs made of Azanthium and Shutaru packed with greater amount of blastrock than Kaminari's bullets