As he looked into Klein's eyes, Dunn took a deep breath and leaned back. Then, he slowly exhaled as he spoke.
"Are you certain?"
There were minor changes in his facial expression. He seemed to be well prepared for the special application, but he hadn't expected it to be so soon.
Captain, why do you look relieved… Klein didn't conceal his smile as he said, "I'm certain, Captain. When you fully master a potion, you'll feel a very special and magical sensation. You'll have no doubt that you've fully mastered the potion."
"Special, magical feeling…" Dunn muttered those words softly and his eyebrows slowly knitted together.