A megapolis is an extremely large city, now suppose someone expanded on this to the meta stage, got a picture in your head now? Good. This is the world of Hub. Neo Tokyo, New York circa 2368, Coruscant, any of these images might be recalled by a visitor to Hub, a large city were just about everything is for sale, so long as you know somebody. This reality however differs from most, its population is fully aware of other universes, other realities, other realms than its own. The average citizen of this world can most likely name to you from memory some dozen or so worlds that anyone can access from the dimensional gateways and transports available in Hub.
We are here in this wonderful city to see a grand get together of one of the largest organizations of Hub, simply termed the Guild. Most might think of it as a hunter's guild, but they would only be partially right. Every member of this organization is trained, guided, and urged to learn as much as they can about as many things as they can. This organization accounts for over some 70% of all revenue in Hub and therefor tends to make most of the laws here.
This day marks the 200th anniversery of the Guild's existance in Hub. To celebrate, every active member has been called back from any missions they may have been on, and are currently gathered in the main square of the largest city in Hub, known simply as Ryosta. An aged man is about to address the gathered agents of the guild. Let us settle in and see what is happening, shall we?
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Guild Master: "We gather here today to celebrate 200 years of our organizations great actions. We have aided the realities and worlds tied here to Hub several times, been able to observe and learn new philosophies, cultures, technologies, and histories. We are not only an organization of hunters, but also of explorers, anthropologists, archeologists, and investigators. I am proud to announce that we have just finished developing a new portal system for all our members, it shoudl allow you to come back home should things get too hairy in the field. We will be issuing one out to all members as part of our celebration. Now eat, drink, be merry, for tomorrow we may have to kill a pteradactly or a killatron 6,000 death machine thats slipped its programming." The old man finishes his speech, and the members of the guild begin to feast, celebrate, and converse amongst themselves as the devices are passed out. ((Okay, people can start posting here now, you will pretty much start off a member at this party unless you have some special event you need to have happen before your introduction. Extra credit to anyone that catches what that title refers to.))