There is several different guilds in the world of Gantala. Those guild will be made by you the players. To enter a guild you need:
A Guild name
A minimum of 4 members
Motto
Reason to form the Guild (common interest or mercenary group for example)
a logo (posted in the first post of your guild, image size limited to 200x200)
An Hierarchy (a way to show ranking among the members of the Guild)
Way to join the guild (for new members and old one who would like to join after its creation)
Goals of the guild (main and sub goal)