Whats an academy? An academy is a place to learn to be a better duelist and to help weaker duelists
Is it a clan or group? An academy may have clans or groups with in them
How do I post? Go to any forum and click new topic, post a title and when your done
press send
What do I do when I join? you do all of the following
Be active in the chat box and on topics
Be an active recruiter
And get tested!
Thats the basics of what you do
Hope this helps.
Post any questions I left out below