Mai leapt over the various obstacles in their path, following Erok since he knew who they were looking for. Occasionally she would throw up obstacles designed to seal off the route to follow them, forcing the woman behind them to take hopefully longer detours or deal with a stone wall in her path. When Erok stopped in front of the Avatar she pulled up short, facing away from the two to keep an eye out behind them in case the waterbender caught up too fast, resulting in her not getting a good look at the Avatar, or him at her. 

“Erok, I might have a plan but it means anyone looking is gonna miss us, your contact included.”