Kingdom Wars2

Kingdom Wars 2 New Update!
1. Fixed malfunction of Aqua Mage
2. Fixed malfunction in multi-unit control
3. Fixed malfunction in Undine fusion control
4. Fixed delayed payment bug
5. Replaced UI background music
6. Fixed a bug where attacks were canceled and started immediately without delay
7. Adjusted unit summon button UI during battle
8. Adjusted infinite mode so game speed does not revert to normal after clearing waves
9. Added arrow trail for archers
10. Fixed other bugs