When you have the creature unlock in your bestiary, bestiary the message will say say, instead of "unknown", the dificulty of the creature this difficulty of the creature. This can be Trivial wich which is the easiest, Easy, Medium, Hard and Challenging, with Challenging. With this information you can get an idea of what monster is boost based on the direction the spell is telling you to go and the class, for example class. For example, if it says challenging instanly instantly you know its a soulwar Soulwar creature because there are only challeging challenging creatures in soulwarSoulwar