Valerian & Laureline (english version) - Volume 20 - The Order of the Stones

The expedition into the heart of the Great Void is launched, and Valerian and
Laureline are on it. But in no time they’re already facing the mysterious
force that threatens the entire galaxy: the Wolochs, gigantic sentient
monoliths dead set on destroying any civilisation that might stand in the way
of their domination. Our two Human agents can’t hope to stop the Order of the
Stones by themselves, but fortunately, they still have allies...