In this Pokemon Scarlet and Violet gameplay walkthrough we complete the Cascarrafa Gym Test and defeat the Water Type Gym Leader Kofu.
00:00 Challenging the Cascarrafa Gym
02:13 To Porto Marinada
02:55 Battle with Kofu's Assistant
05:20 Gym Test
10:05 Rival Battle
16:37 Water-type Gym Leader Kofu Battle
For more tips, walkthroughs, and guides including pages on every new Pokemon, an interactive map, and location guides check out https://www.ign.com/wikis/pokemon-scarlet-violet/