Raimeiki

Raimeiki 「雷鳴鬼 lit. Thunder Demon」 is a high-ranked possession-type demon of the Black Demon Series. It formed a contract with Kureto Hīragi and became his Cursed Gear.

Appearance
Raimeiki has shown no solid form yet but emits bright streaks of lightning flickering from the blade it possesses.

Post-Shinjuku Arc
During Kureto's interrogation on Yūichirō Hyakuya, Raimeiki is wielded to attack the latter and quickly overwhelms him.

Forms and Abilities

 * Demon's Thrall: Raimeiki can can enter it host's dreams and memories to create nightmares and break the host's will. This is done in order to take over his body. This ability can only be used against his host.
 * Basic Form: Raimeiki takes the form of a black katana with a glowing green streak down the middle.
 * Electricity: Raimeiki is able to enshroud its host with streaks of energy as both a defensive and offensive mechanism. Raimeiki is also able to use electricity to stimulate his muscles and increase his speed, however this tears his muscle fibers apart.