Nishin Fūrai Ken

Nishin Fūrai Ken (二神風雷拳, Nishin Fūrai Ken, Dual Gods Wind Thunder Fist): Style used by Raiga and Fūga, the gatekeepers of Cassandra. It can only be learned by two successors of the same bloodline, the same body type and the same senses; in other words, it can only be used by identical twins. This style consist of using sharp wires connected from Raiga's to Fūga's hands as a way of cutting opponents between the two. It's a subsidiary of the anime-only Furai Jukkyoku Ken.