C21 It is difficult to fly with wings

He was tied to a stone pillar with an iron rope. The Iron Horse Gang's dungeon was dark and damp, making him feel uncomfortable. From time to time, there were vipers, bugs, and ants passing by.

Li Xie continued to stretch his gaze forward but he was still unable to see the exit to the dungeon.

Other than him, no one else was locked up here. The entire dungeon seemed very empty