[PVP] Stuck in a rock in "Forest of Niflhel"
Use /stuck, or /bug, in-game to report issues like this. They capture information needed to allow anet to debug the issue (such as the exact path you travelled, which helps locate which wall isn’t quite meeting as it should.
/stuck is your best bet, because after 30 seconds of doing nothing it will port you somewhere useful, typically the start of the instance.