Adrian was puzzled.

The beggar, other than his remarkable expertise, looked so frail that a gust of wind could blow him away.

"You're telling me you're capable of killing someone?" Adrian asked doubtfully.

The beggar angrily replied, "Of course, I am! I didn't just kill him, I also killed his entire family. And I’d gladly do it again if I were given the choice!”

Claude was completely baffled. He never expected the beggar to have committed such a cruel act. Doctors were supposed to have a heart of gold.

"Do you still want me as your mentor?" the beggar glared at Claude, looking like a ruffian.

Claude rubbed his nose. "Would it be all right if I only wanted to learn your skills and not your personality?"

The beggar was both angry and amused. Disdainfully, he said, "I’ll never take you as my apprentice."

Claude felt aggrieved. He only wanted to learn the beggar's medical expertise, yet the latter was now mad at him for no good reason.

"What have I done wrong?" he asked.

The begg