When the stormtroopers assure him, that nobody's inside the YT-1300 freighter Kylo Ren enters the old dented vessel.
He inhales the odor, that he once was used to smell. But through his mask it smells somehow odd. Kylo looks at the well-known midsection of the ship, with the Dejarik table. He remembers very well, how often he has played a match with his father.
This freighter isn't just any freighter. It's the Millennium Falcon. The ship of the famous Han Solo - the ship of the man he once called father.
When Kylo enters the cockpit the memories of the past, of his past, are almost overwhelming. He sees himself, no his former self Ben Solo