
World of Warcraft (aka the mmo by which all mmos are compared) often did this. You had to be a specific level and complete lengthy quest lines to access Dalaran or the Shrines in Panderia. Â Â
Granted, they weren't super strict about it. There were some workarounds you could use, such as having a warlock summon you there, or getting a mage to make a portal for you. But the only natural way to get there was through questing.
Granted, they weren't super strict about it. There were some workarounds you could use, such as having a warlock summon you there, or getting a mage to make a portal for you. But the only natural way to get there was through questing.