While Simon is being chased through the woods, his dagger changes to a short sword, then back again.
When Simon fights the phantom in the woods, his sword becomes a long sword when it's stuck in the tree. But a short sword after he pulls it out.
When Simon and Kor are talking at the campfire, Simon's grip on the sword changes back and forth between shots.
Simon and Gulfax see a wizard's battle on the surface of a lake, but the projected-in image is upside-down.