Patch update Ver. 0.10.2 Easy and Hard Stage , New Challenge Stage

- Add New Challenge Stage
- Combined stages 1-8 for non-stop fighting. Can be opened after finishing stage 8 to unlock

- Add Difficulty mode easy, normal, hard
Easy Mode:
- Monster attack power reduced by 50%
- Monster hp reduced by 50%
But
- Experience received reduced by 50%
- Gold received reduced by 50%

Hard Mode:
- Monster attack power increased by 50%
- Monster hp increased by 50%
And
- Experience received increased by 50%
- Gold received increased by 50%
- Drop rate increased by 25%

- Add Remove Ability Feature in game play
- You can press the REMOVE button on the Ability selection screen in-game after level up. The REMOVE button will only appear when either Active or Passive Ability slots are full.

- Minor bugs fixed