Gyms are a key part of the whole Pokémon GO experience, but you often have to spend hours or amass a giant group to effectively defend any one you may be a part of. Well, not any more!

By following the strategy detailed in the video above - props to The Silph Road for discovering this - you too can make a gym level ten in as little as fifteen minutes should you have the right number of chums with you, so make sure you give it a watch.