C63 Survivors from Three Years ago

After working so hard for a long time, Chu Yi and I still could not find the altar. I was scared, I even suspected that there was an altar here.

But what now? There were no more clues.

Just when I was feeling troubled, I kicked something which hurt so much that my entire leg felt like it was going to go numb. I looked down and actually saw a picture in the crack in the stone