The command createguild guild_name allows you to create the guild.
For example: createguild Urthoss
You must have the Wrath of the Ancients.
The command renameguild new_guild_name allows you to rename the guild.
For example: renameguild Ultima
The command modifyguild player_name allows you to change the founder of the guild.
For example: modifyguild Kaoru
He must have the Wrath of the Ancients.
The commande deleteguildconfirm allows you to delete the guild.
For example: deleteguildconfirm
For this to work the guild chest must be empty.