Now that Kris is visiting the forum, I had to revive this thread.
I really think that this spell shoulg get some upgrade in a patch. [We should be able to create more types of monsters with Cross Breeding, also some rare and powerful monstrocities should be added.]
"Training is principally an act of faith. The athlete must believe in its efficacy: he must believe that through training he will become fitter and stronger, that by constant repetition of the same movements he will become more skillful."