I added a progressing amount of different double battle rope wave training to the time I was normally running. (onnit.com)
You even had things like dark grass which allowed double battles to occur in the wild. (heavy.com)
- battles for the next Battle Competition have begun - this is the 2018 International Challenge January competition - Double Battle competition using standard VGC rules - players are able to earn CP to go towards qualification for the World Championships - all Pokémon will be raised to Level 50 for the duration of the competition - battles will run from January 26th through January 28th - all entrants will get the 50 Battle Points (gonintendo.com)