Goddess Ixchel is resting in a place so fabulous a mere mortal like we couldn't possible prepare for it. But we do have all her plate pieces, so let's go.
In order to meet with her priest there, please unlock the bridge with the help of the following stones:

As it is not enough, open another one bridge using the stones below:

Let's find Ixchel in the cave. It's not just a simple cave in which Ixchel is resting. You'll have to weave through a net of caves and a magical realm to find the place of rainbows - that's where she shall be. She hasn't been sleeping THAT long, but uhh... Wake her carefully anyway.
Since the portal to Rainbow Realm is in a lake somewhere in this cave, we need to find the right lake. Well, you will find a few wrong lakes. How unfortunate...Let's try another way.
The way to Rainbow realm should be through here:

In order to find Ixchel's resting place, please unlock the bridges with the following levers and enter the temple:



Don't forget to go through these portals and place six of the plate pieces on the pedestals:

To open the gate Diggy needs to light the receivers:

Please pull the levers in the following order:

To open the gate Diggy needs to light the receivers:

In order to wake Ixchel, please light the receivers and pull the levers in the following order:

Well done 💪 !
