Sixth part of the anime series about online global gamers. Haseo, in his monstrous new form christened the Terror of Death , defends against simultaneous attacks from scores of vengeful Player Killers. Tabby, in her desire to help her resistant friend through these frantic battles, begins to lose members of her newly formed Paw Pad Squadron. Ovan returns to The World, leading Haseo into his long awaited confrontation with the invincible killer dubbed Tri-Edge. As the two face off in heated combat, Pi, Yata and the freshly enlisted Kuhn attempt to keep an eye on Haseo while exploring a dark new phenomenon: the cancerous bubbling data anomalies known only as AIDA.