New Content
1. Add new difficulty choice: Challenge Mode
-Unlock after passing Normal Mode
-Stronger enemies
-1 more rare relic
-Increase probability of clue appearing
-No watchtower in fog level
Optimization
1. Equip+ can be obtained from stage 3.
Balancing
1. Slightly adjust enemie's strength of defence/protect level. They are a little weak before.
2. Adjust enemie's strength of the defence/pursue side of composite level. They are a little strong before.