There’s no time to make a new roof panel. The floor will have to do.

Red’s two sub-skeletons grabbed a beam and helped Dark move it into place, attaching it to another corner of the square bone plate. Under Blue’s supervision and guidance, they copied Jay, and with Dark and Blue’s meager mana reserves they managed to successfully attach one beam, then moved onto the next.

Jay added the support bones, saving what little mana he had left.