[Update]

1. Add Newgame+ difficulty level mark to clear save file
   
   
2. Add Newgame+ progress notification when loading campaign clear save files
   
   
3. Release advanced sub-quest level restrictions
   
   
4. Replace elf king sound
   

[Bug fixes]

1. Correcting the phenomenon that the game could not proceed after mass production of items
   
   
2. Correcting some challenges that have not been cleared