Other mistake: The corn creature is on fire, but only up to its shoulders - the flames do not spread to its head until after it goes into the corn field. (01:24:08)
Other mistake: Bo walks through the charred corn field, but her shoes do not get sooty. When she finds Eden's flower ring, the flower petals are intact, but should be burned beyond recognition. (01:25:18 - 01:25:39)