5419. After this, there was visitation among the monks. Those who, by their art, were able to produce that continuous burning [of the lamp], were in a mountain, also in the western quarter, not far distant from the middle; and they were found out there and examined. They said, first, that they had done it by means of prayers, morning, noon and evening; but they lied: they produced that burning from art, in that they cast heavenly doctrine into a crucible, and so into fire; and, when the crucible was let down, it [i.e. the heavenly doctrine] was taken away from the fire and placed in that lamp. They also produced that shining, floating flag by means of that doctrine, in a similar way; projecting it on high, and thinking then of such things as appeared. Because these employed such art - which was the foulest magic of all, because effected with Divine truths - therefore, they, also, [sank down]; the earth opened under the feet, and they were swallowed up and cast into hell.