He had originally had some other speculations regarding Kael's identity, but everything changed in an instant when Dr. Osborne took out that banner from his backpack.
"Unyielding Banner???"
Dr. Osborne stared blankly at the flag, suddenly feeling a tremble in his body.
"Why would it be the Unyielding Banner... No, how could it be the Unyielding Banner?"
Speaking in an indifferent tone, Kael said, "What's so impossible about that, Dr. Osborne? We are back. With your discernment, you should be able to tell whether this Unyielding Banner is a counterfeit or not, right?"
"Good, very good! It's good that you are back, it's good. We haven't received any news from you for a long time, I thought... I thought..."
"Now do you believe I'm not just some rat that leapt out of the sewer?"
There was a hint of teasing in Kael's tone, but his expression quickly turned serious again as he said to Dr. Osborne: