Was it the legendary shadow stream technique?
Billy sat on the ground and looked at the cold-faced Vivian.
It was rumored that the popular breathing technique of the night elf nobles allowed them to see another pure elemental world. They could elementalize their bodies according to the conditions of the surrounding elements, avoiding other elemental passages, and travel along the river, the advanced one did not even need to elementalize, completely avoiding all the elements and achieving a spatial leap. It gave people the feeling that a shadow had directly ignored the physical rules and passed through, therefore, it was also known as the shadow stream technique by the outside world.
Outsiders did not know its real name.