"You're new too?" Kaiba admits it readily---he doesn't need to scare the guy, not while his Pokémon are resting.

"I was stuck about 200 years in the past for a few weeks, but this is the first time I've made it to this world. I had to start my training without a handbook."

But he's figured out basic care for his team by now, so at least there's that. He pets Zephyra, careful to avoid the flame.