Genjutsu: Truth Serum

"I command thee to speak thy name!"

A simple Genjutsu developed by Magai, it involves him grabbing an opponent with one hand, and forming a seal with the other followed by speaking his command. This command causes his opponent to tell their true name. A vital step involved in his Curse. Although a basic genjutsu, Magai can increase its strength so that it even effects the likes of bijū.