Goofs

Near the end, after the fist fight with the Chaathan in the singer's disguise, the cook runs away from the Chaathan and is crossing the river when he encounters the Portuguese cavalryman. He picks up a rock and charges at the soldier only to be shot dead.

Being a sorcerer and a man who planned a months or years long scheme to defeat the Chaatan, this random aggression towards a stranger is out of character.