World Trigger Episode 28: Organon User
Episode 28 of 73 of World Trigger, aired May 2, 2015, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Kizaki has figured out Hyuse's Trigger, Lambiris. He orders Karasuma and Konami to protect the city while he holds off Hyuse and Viza.