He is a man of Zeal, however, and one of very high standing. It would be exceedingly strange if he could rise to such a position amongst the people and not have any sorcerous powers. After all, those of Zeal seem to be most condescending to any that are un-Enlightened, as that would make Dalton. Remember, however, that he casts a mighty fire at your party, which is the manner in which they are captured and taken aboard the Blackbird. I think that alone should exemplify his power. Moreoever, any golem is, essentially, magical: a golem is, in legend, a creature of clay brought to life by magical means for the purpose of servitude. To have power over these creatures near certainly precludes knowledge of enchantment.