We going to defeat EX challenge Hau very hard in 1.39 min. But it can be done much faster without sandstorm because it slow down the run for animation time, video for 1.15min:
https://youtu.be/nBvDsY5QkEg
Sorry for the pronunciation, it’s even worse then ususal, I made the video early at 7am.
You can also auto it with randoms with Cynthia and Garchomp
source
Pokemon