One entered the dungeon due to obsession to look for the vague figure in the dream, while the other was a god born from human desire, worshiped by all living beings but also bound by them. He was also sealed in the dungeon by his believers.
Song'an traveled through the dungeon in search of Chengyu, looking for a person whose face he couldn't see clearly. He was clearly right in front of him but the distance was infinitely farther away. It was not until the end that he suddenly realized that the person was always by his side, and he was the one who had forgotten him.
When the out-of-control god met the soft-hearted high priest.
Songan & Chengyu: No one will let you down, but I will not.
"If we can only meet in the dungeon, then we will meet in the next dungeon."