Kogetsu/Gen'yō

Gen'yō Kogetsu ( Gen'yō Kogetsu, lit. Phantom Dance Arc Moon) is a configuration of Kogetsu. It appears as a Spear, and is used by Yōsuke.

Appearance
Gen'yō Kogetsu is a spear, with a bladed tip made entirely out of Trion.

Abilities
As the tip is made out of Trion, it can be freely transformed, which can be used to strike enemies who have avoided it, but are still in range of it.