Telepathy.

"I don't think there is any need to rush things in our world." Nino responded. "The only reason the Primordial arrived in this world so soon is the beacon the Olympians created. Without it, a few more decades will pass before we would have to deal with the same problems."

"That boy…" Sam glanced in Kamala's direction before continuing. "Karim, he said he heard the Whispers long before anyone else did. Doesn't that mean that we can't let our guard down?"

"I would say he's a special case." Replied the Japanese doll. "It might be that he had strong psychic abilities since birth, or at least the potential to awaken them. That's why he was able to sense the Primordial's presence long before it started to have an effect on others."

"I see…"