Transcendental law is posterior to the act in its name.  The transcendental object consumes its subject.   These two basic attributes of the transcendental both represent inversions.  Hyperborean law is prior to the act in its name, and the Hyperborean object is consumed by its subject.   The key difference, maybe, is that the Hyperborean consumes energy from a finite source, and the Transcendental generates  energy as  an infinite source.   The difference is more stark than it appears, because the exchange of energy under the Hyperborean is in any case illusory.  Somehow, in consuming the Hyperborean object the Hyperborean subject actually depletes its own energy