Complex sentence: At the consummation of all things all light will return to the Pleroma; but Yaldabaoth, the Demiurge, with the material world, will be cast into the lower depths.
Split into simpler sentences: At the consummation of all things all light will return to the Pleroma. But Yaldabaoth, the Demiurge, with the material world, will be cast into the lower depths.