Currently I'm working on and am part of a very large RP and we have a HUGE map and it'd really help if we had a way to add portals to the map that when traveled through can take people to another map that's still connected by ID to the previous map. This would allow someone to for example go into a Cave Map, do a quest and then exit and return to the map the other RPers are still at. This would help keep everyone smoothly going between maps and not requiring people dedicated to sitting alone in a world just to keep RP lobbies going or people ending up in maps alone and having to request for invites.

Main Map(InstanceID100) -> Portal to Cave Map(InstanceID100) -> Main Map(InstanceID100) would be an example of the path they could take.