Shaking his head, and rolling his eyes Kaiba didn't think that warranted a response. Essentially it was too late, the credit was revoked he wasn't granting it a second time.

"Mm," Humming in agreement. Spotting a staircase he aimed for it, halting a few paces before it when the distinctive sounds of a train clacking along the tracks met his ears. Although he looked for the source, it remained concealed from view but a breeze wafted down the corridor as if the locomotive was somewhere nearby.

"Something isn't right here..."