They also said that Spirit's Blessing (Blessing of the Sprite) gives AP. Clearly, the book is not to be trusted.
But the name changes are perfectly normal. For example, "Mihile" and "Mihail" are pronounced exactly the same. So when somebody was unofficially translating them, like Spadow, he saw that the Korean symbols sounded like "mee-heil" and decided to spell it "Mihile," though an official Nexon translator decided to spell it "Mihail." The same can be seen in several famous ruler's names that aren't in a Latin language, like Genghis Khan and several asian rulers.
But the name changes are perfectly normal. For example, "Mihile" and "Mihail" are pronounced exactly the same. So when somebody was unofficially translating them, like Spadow, he saw that the Korean symbols sounded like "mee-heil" and decided to spell it "Mihile," though an official Nexon translator decided to spell it "Mihail." The same can be seen in several famous ruler's names that aren't in a Latin language, like Genghis Khan and several asian rulers.