Inside the Ixchel's temple, you will open the gate with the following four levers:
But beware, you will have to cross a maze to get to them. In case you get lost check the following secret article 🤫
Once you proceed further, we need to crack the riddles and turn off the crystals sooner than acid will flood this place.
Firstly, count the quadrilateral formations drawn on the ground in the middle of the room:
Then push the symbols as follows:
Uf, we rock! The acid would have flooded this whole place. Let's end this!
ITZAMNA IS DEAD!!! This can't be the end, we haven't even found all the pieces of his calendar and how will the gods return to their home planet without it and...
Take the calendar piece:
And talk to Pawatuns' priestess. Maybe she will know what to do...