Twenty Days?

When the one-armed old man saw Duan Ling Tian coming out, he thought his eyesight had gone bad. When he returned to his senses, he only realized his eyesight did not go bad. Instead, this little fellow who had entered the Spirit Pool twenty days ago had indeed come out.

Faced with Duan Ling Tian's question, the old man was not in a hurry to respond to him. Instead, he entered the Spirit Pool.

When he saw the empty Spirit Pool, the corner of his mouth could not help but twitch even though he had lived for almost 200 years and had seen much of the world.

"Senior, you're…" When Duan Ling Tian saw the old man did not respond to him but had entered the Spirit Pool instead, he was baffled. When he saw the old man come out from the Spirit Pool, he had curiosity written all over his face.

"How did you do it?" The old man who had just walked out from the Spirit Pool looked at Duan Ling Tian as though he had seen a ghost.