You all continue to the long corridor. Suddenly the corridor gets much taller, even Paula can passes without problems: and the stonemason is different from the previous, with carvings of strange beasts.
"Luis got very nervous when we discovered this passage"
There are several passages going in other directions, but he doesn't hesitate. After a while, you all see a room and he says: "It's there, I'm going first to avoid any problems."