Open the big wooden door

You trust the old Kraken, and you open the big wooden door. It's a long corridor with stone stairs, the place is barely illuminated by a pulsating glow from below

The passage is too tight for Kraken, and the horse stamps his hoof with frustration.

You hesitate, and you look back at the intelligent beast. His dark eyes lock onto yours.
Finally, you leave Kraken behind. The deeper you go, the stronger the glow becomes.

When you reach the bottom, the corridor opens into a circular chamber. In the center, floating just above a stone altar, is the pyramid-shaped stone, its surface s marked with the numbers 1, 2, 3, and 4.
It spins slowly, suspended by an invisible power.

At the far end of the room, standing motionless against the wall, is what you first mistake for a statue made of dirt... a huge humanoid figure, made of clay, its four arms crossed over its immense chest. Its face is empty, except for two holes where eyes might be.

This is not just a statue...

You approach with caution to the stone and you take it, but it's covered with an invisible glass-like ****. You try to break it with an offensive spell, but it only cracks a little.

The statue moves, it's a clay golem, and its hollow eyes are full of blue energy. His four arms unfold, and each fist is large enough to crush your skull.

You can fight the guardian, your spells are full, and you can use powerful spells like a fireball.
Or you can run. The golem is fast, but you can maybe run faster.

The guardian’s first punch cracks the altar behind you.