<p>These are the ones that come to my mind:</p><ul><li>POI (as Fire_Draggon said, has 4 paths for every of the 4 vocations)</li><li>Library and flats of the sorcerer's guild in thais are only allowerd Thais are only allowed for sorcerers to pass</li><li>On the Elemental Spheres Quest, there are 4 different respawns for every of the 4 different vocations, to hunt and complete the quest.</li><li>Isle of Destiny aswell as well got 4 closed respawns, each one only allowed to enter by a vocation.</li></ul>