Revealing mistake: After Draco flees the cave, Bowen is riding his horse in the water after him. You can easily see that it isn't Dennis Quaid but his stunt double.
Revealing mistake: When Bowen cuts the shackles of the rebellion leaders, the wood is pre-cut. You can see the line. Bowen just knocks the halves apart.
Revealing mistake: During Draco's first "attack" on the peasants, the downdraft of his wings doesn't affect the corn or the buildings.
Revealing mistake: When Bowen is chasing Draco through the forest on his horse, the trail widens when the view is switched from side to front. This was so the inexperienced Dennis Quaid could be shown riding from the front. You can see it is his horse double in the side shot.
Revealing mistake: When the peasants are fighting King Einon and his men, Karen swings an axe at the back of a man, but you can see her flipping it so the flat side goes against the guys back.
Revealing mistake: When Bowen is being pulled through the woods on his saddle, you can see the "rope" bend and snap like an antenna. (00:29:00)
Answer: Some sort of game that is a test of strength.
LorgSkyegon