C368 Soul Refining Technique

He couldn't help but feel a deep shock in his heart. He never thought that the two of them would be so strong, so strong that they were so powerful.

However, he didn't show any surprise on his face. Instead, he calmly looked at the two people in front of him.

"Humph, I never thought that your strength would reach such a level. It seems that I really underestimated you two this time."

"However