"How much further do we have to walk?" said Perez, out of breath.
They had been walking for almost hours, but there was no sign of the lab and Perez felt very tired because he had just been healed.
"I don't think there is a lab here."
"Hmm interesting, I was sure this was it," Fredrich muttered in disappointment.
"Can't you be wrong? I mean, it's just a tunnel, how can there be a lab here?"
At first Perez, like them, had thought it was possible that there was a lab here, but now that they had been walking for hours and had found nothing, he thought they were wrong.
"Cale, let's go back and check again," Fredrich said, looking at Cale, but Cale kept looking ahead, focused.
"Cale-"
"Sshh!"