Destination: Your destination must be unoccupied space at least the same size as the target. If arriving in the destination space would cause the target to fall or if that space is hindering terrain, the target can immediately make a saving throw. On a save, the teleportation is negated. Otherwise, the target arrives in the destination space.
Teleporting while prone: If a prone creature teleports, it arrives in the destination space still prone.
Instantaneous and Unblockable: When you teleport, you disappear from the space you occupy and immediately appear in a new space you choose. Creatures, objects, and terrain between you and your destination don’t hinder your movement in any way.
Immobilized and restrained: Being immobilized or restrained doesn’t prevent you from teleporting. If you were immobilized because of a physical effect, such as a creature grabbing you, you can teleport away and are no longer immobilized or restrained, if applicable. If you were immobilized because of an effect on your mind or body, teleporting does not end that effect; you’re still immobilized when you reach your destination.
Not Forced Movement: Teleporting a creature, even an unwilling one, does not count as forced movement. [PH3:218][MM2:219][PH3:286][MM:283][PH2:221][RC:213-214, 316-317][MV:125]