When attempting to attack an enemy, you will see the few tiles in which you are allowed to attack. At this juncture, press F1 and then ESC to attack any enemy in the entire map. Since you are attacking enemies from a very long distance away, enemies cannot not retaliate. This method can also be use on items and magics, but avoid trying to move a character this way or else you will crash the system.
Unlock the following chapter or storyline by performing the corresponding tasks:
CHAPTER/STORYLINE - HOW TO UNLOCK Alternate storyline (after Chapter 7) - Survive eight turns in Chapter 7. Chapter 5 original (Shan Dong Dao) - Complete Chapter 4 in twelve or less turns. Chapter 5 alternate (Shan Xi Dao) - Complete Chapter 4 in thirteen or more turns. Original storyline (Total 20 Chapters) - Complete Chapter 7 in eight or less turns.