Obstacles
     When dealing with magical obstacles; i.e.: boulders, floods, wind
storms,  kill  the  magician  that made it to deactivate the obstacle.
When  it's  military; i.e.: catapults, fire juggernauts, free-standing
forts. Destroy it with your character attack.

Unlock Opening Edit Function
     To  unlock  this,  unlock  all 42 characters. Then, beat the game
with one character from each force.