Operation Capture

Operation Capture, also known as Operation Retake and the Akiba Raid, was an event in the first December after the Catastrophe when a rogue Royal Guard began murdering Adventurers in the city of Akihabara.

Overview
After acquire the Sword Byakumaru in the Tatara's shop, the Royal Guard Enbart Nelles leaves the Kunie Clan and stole some of the Mobile Armor equipment. He started going on a player killing rampage within the city of Akihabara using the sewers as place to conceal himself.

This happens due the flavor text of items starting to come into effect, and he was no longer operating under his own free will, instead being possessed by the vengeful spirit of the raid boss Lugrius which was inside the sword.

In order to put an end to the threat, the Watermaple Consulate Raid Party was formed to fight this Guard with Raid Boss capabilities.