Improvement
- Enhanced AI algorithm
- Removed some walls in the castle
- Towers and Nexus attack speed is nerfed when low HP
- Ninja Update
 New Animation
 Ninja melee item: Sword -> Kunai
 Shuriken improved(no delay for multiple shuriken)
 Shuriken will now stop after hitting an enemy
 Dark Blast Size: 96x36 -> 84x84
 Dark Blast Speed: 12 -> 14

- New Menu UI
Balancing
- Nerfed Nurse
 Syringe spread increase
 Syringe damage: 158x15 -> 120x15
- Buffed Golem
  Maximun Shield: 18% -> 27%
- Revert Nerf of all healing abilities toward towers partially
 Enchanter Heal Wand: 9 -> 18
 Nurse Syringe: 1.05*15 -> 2.1*15
 Nurse First Aid Box: 0.24% Max -> 0.48%Max