[solved]Sunken City boss missing?

[cougarten]

I'm stuck in the final chamber of the sunken city.
the boy came along und the gate closed behind me, but I can find nothing but three small stones.
No boss...

I that normal? Do the stones have any function? (somehow I already lost two of them

greetz, Q

[frickenmoron]

you have to bind the stones and bring them to somebody.

[cougarten]

ty ! (just got it myself, didn't see he uses the stones since I just dropped them through the last pipe