Changes

#** HQ Level 35 unlocks medium, HQ Level 80 unlocks hard. 

#** HQ Level 35 unlocks medium, HQ Level 80 unlocks hard. 

#* You can choose the difficulty in each map separately.

#* You can choose the difficulty in each map separately.

#* Different difficulties give different medals, equipment and materials when clearing the maps.

#* Different difficulties give different rewards when clearing the maps.

#* Ships rewards (U-511, Katori and Amagi) will appear regardless of the difficulty.

#** Ships rewards (U-511, Katori, and Amagi) are rewarded regardless of the difficulty.

#* Difficulty affects drop rates, but all new drops are possible on all difficulties.

#* Difficulty affects drop rates, but all new drops are possible on all difficulties.

#* When the difficulty is changed, '''the boss's health bar will be reset'''.

#* When the difficulty is changed, '''the boss's health bar will be reset'''.