Take a 5' step out of Marlowe's pocket (
), spend a move action to cancel the Deflation, a standard for an L5 Ætherbeast (using 2 daily æther, menu choice Extra Attack), and spend a swift action to direct the beast.
The beast picks up Marlowe & Raoul (shouldn't a problem with 29 Str) and moves them off to the side so they won't be engulfed when the cube reappears.