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Tri-Edge is a legendary Player Killer. Each player Tri-Edge kills, becomes a "Lost One" going into a comatose state in the real world and remain in that state until a certain requirement is met. Tri-Edge is named after the three bladed daggers and his three sided sign at the spot where he kills his victims. Azure Kite is mistaken for Tri-Edge during the first two games. AzureKite is really just a counter program made by the memories of the goddess, Aura, and is completely different from Tri-Edge. Tri-Edge's true form is an Aida infection that has taken over Ovans right arm. He keeps the Aida infection under control with the huge lock he placed on his arm.