In , titled "The Enemy Captain, Hyrein," the battle against the Aftokrator invaders escalates as their leader finally takes the field. The episode primarily covers the events of the Large-Scale Invasion Arc and corresponds to chapters 80 and 81 of the manga . Key Plot Points
: During the struggle against the Rabbits, Chika Amatori provides Osamu with a massive boost of Trion, enabling him to fire a powerful Asteroid that destroys a Rabbit in a single shot. World Trigger Episode 30
: Osamu Mikumo, Kyōsuke Karasuma, and the C-Rank trainees continue their retreat toward HQ. They are intercepted by a swarm of Rabbits —specialized Trion soldiers designed to capture Trigger users. In , titled "The Enemy Captain, Hyrein," the
: Witnessing the loss of a Rabbit, the Aftokrator captain, Hyrein , personally joins the battle. He uses the Black Trigger Alektor , which fires animal-shaped bullets (such as birds and fish) that can transform anything they touch into Trion cubes . : Osamu Mikumo, Kyōsuke Karasuma, and the C-Rank
: Suwa Unit successfully lures the humanoid Neighbor Enedra into a virtual training room within Border HQ. This allows them to analyze his liquid-based Trigger weaknesses while being protected by the room's simulation features.