In lions arch is a ferry catain that can take you to guild halls with your party of 1-6.This is where you buy your guild hall.
Since there is so many PvE out there it gets hard trying to get a guild hall doing HoH.So instead of doing that hard process of doing HoH, 5 other people in your guild have to go to the desired guild hall and can start a guild ceremony or something of the sort, depending on the levels of the people in your party the difficulty of the enemy.3 waves of different enemys depending on the guild hall try attacking the hall, if you manage to fight them off you get to keep it and have to pay 6k.
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