Over the next while, He Xisong told Cheng Tian the whole story about the Temple of the Sea. Cheng Tian listened, dumbfounded.
"This was originally highly classified. But considering you're Nalu's apprentice, and I trust you, I'll tell you," He Xisong said. "Nalu went to take part in this trial at the Temple of the Sea, and she still hasn't returned. I haven't heard anything from her, either."
"Then... is this trial dangerous?" Cheng Tian asked hesitantly.
He Xisong nodded. "Yes, but Manaphy protects the participants. In fact, all these years, we've never had any specific information about what the trial involves. It's as though Manaphy deliberately erased their memories."
"Then how long does this trial last?"
He Xisong sighed helplessly. "That's exactly what worries us. The trial should have ended long ago, but even now, none of the countries have any news of one another's participants. It's as if they've vanished off the face of the earth. Because of this, we're already planning to send another group to investigate the underwater temple."
"Send another group?" Cheng Tian hesitated. Never mind whether they could find the Temple of the Sea; there were bound to be protective measures around it. Getting inside with mortal strength would be as difficult as ascending to heaven.
"Manaphy is the Prince of the Sea. According to legend, Manaphy has connections with many Legendary Pokémon, and is one of the few Mythical Pokémon to have established direct ties with humans," He Xisong said. "Surely Manaphy must know exactly what happened to Greninja."
"So, you mean..."
He Xisong nodded. "This is a matter of great importance. I can give you two months to consider it. If there are no problems, I hope you can go to the Temple of the Sea. Once you're there, I'm sure you'll