Changes

# [[Line of Sight]] requirements on all maps.

# [[Line of Sight]] requirements on all maps.

# Selectable and changeable difficulty

# Selectable and changeable difficulty

#* This event has 3 ranks: easy (丙), medium (乙), hard (甲).

#* This event has 3 difficulties: easy (丙), medium (乙), hard (甲).

#** 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 medals, equipment and materials when clearing the maps.

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

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

#* Difficulties ''probably'' affect drop rates, but most drops are possible on any difficulty.

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

#** [[Isokaze]] has not been reported to drop in E-5 easy

#** [[Isokaze]] has not been reported to drop in E-5 easy

#** [[I-401]] has not been reported to drop in E-4 easy

#** [[I-401]] has not been reported to drop in E-4 easy