If you've been a member of a guild for at least 24 hours and have reached at least level 99, you can enter the guld portal once a day and fight the enemy there.

The enemies are extremely difficult and the entire guild fights them. The hit points that are drained from an opponent in each fight apply to all players in the guild.

The hit points of the opponent always regenerate by 10 % at midnight. If an opponent is defeated, all players in the guild will permanently receive 1% to their damage. As there are 50 enemies to defeat you can achieve a maximum bonus of 50 % through the guild portal.

New guild members will automatically receive the missing guild portal stickers in their scrapbook after being in the guild for 21 days.