And thus, with a faint rasp that is felt under the hand rather than heard, the column pivots from facing the center of the room to face its neighbor.

Dragon one faces two, two faces three, and three faces—the center of the room where the faint tinge of fresher (or at least different) air is strongest—one.

There is no discernable effect save for having unlocked the second pillar. It's possible it's only a matter of 'unlocking' the third. But more likely, the orientation isn't yet quite right.