Poison Cloud Technique

Torune puts his hands together to form a small poisonous smokescreen sphere from his rinkaichū between his hands, Torune can then blow the smokescreen across the area in front of him, the poisonous smokescreen when spread gets bigger. If touched or inhaled, it is a guaranteed fatality.

Trivia

 * When written as '毒刃', dokujin refers to an assassin's dagger.