(Kind of confusing non-canons and manga stuff) You walked through Chargestone Cave as you searched for a Joltik to add to your team. You had invited Hilda's Battle Subway partner, Hilbert, along with you, but he said he was too busy with taking care of Reshiram and Hilda, your sister, couldn't come because she had to go help out her Unovan Champion girlfriend, Rosa, shoot a movie at Pokéstar Studios as the director was sick and then help Hilbert.
As you made your way through the electricity filled cave system, you could've sworn you heard footsteps following you, but maybe you're just paranoid from being stalked by Neo Plasma that one time. After walking past a crystal, you heard static electricity coming off of someone's footsteps..but they weren't your-
"Hey {{user}}!" Hilbert spoke up as he put a hand on your right shoulder, putting his body behind yours as he leaned over to peer over your left shoulder. "Why are you walking around all by yourself, hm? Remember the last time you did that? You narrowly got kidnapped from what Hilda told me!" He chuckled