Jar of Poison Technique

Using his venomous insects, Torune gathers multiple infected victims and contains them within a barrier where the decaying flesh will release a gas that in time will ignite an explosion and release the venomous insects in a huge swarm that could cover the surrounding landscape.

Trivia

 * When written as 蠱毒, "Kodoku" means "to poison someone". When written as 孤独, it means "isolation, loneliness, solitude".