Pokemon: Ultimate Generations

Gan was playing his new pokemon Sword Version until an earthquake suddenly shook the area he lived in. Once it stopped, he went to check on his parents, who were alright. Afterward, he went to bed and woke up in the middle of the night to get some water when he saw a strange light coming from his basement. Gan was naturally curious, so he went to check it out. Based on the Anime and Games, with a twist.