Changes

#The difficulty system first used in [[Spring 2015 Event]] returns: you can choose between Operation A ({{lang|ja|甲}}, Hard), Operation B ({{lang|ja|乙}}, Medium), Operation C ({{lang|ja|丙}}, Easy) or Operation D ({{lang|ja|丁}}, Casual) .

#The difficulty system first used in [[Spring 2015 Event]] returns: you can choose between Operation A ({{lang|ja|甲}}, Hard), Operation B ({{lang|ja|乙}}, Medium), Operation C ({{lang|ja|丙}}, Easy) or Operation D ({{lang|ja|丁}}, Casual) .

#*Choosing Hard or Normal requires a certain HQ Level (HQ Lv 35 for B / 80 for A in Spring 2015 Event).

#*Choosing Hard or Normal requires a certain HQ Level (HQ Lv 35 for B / 80 for A in Spring 2015 Event).

#*'''An important note''' to all Admirals intending to clear the event on Hard difficulty - further (new) conditions now apply:'''

#*When switching from any '''"lower"''' difficulty to any '''"higher"''' difficulty, the map will fully be reset.

#**When switching difficulty from ''any other difficulty'' to Hard, the map's debuff mechanism (where applicable) will be reset.

#*When switching from any '''"higher"''' difficulty to any '''"lower"''' difficulty, the map will stay in the very same state it was previously, with only +25% of TP/HP being reset on the current phase's TP/HP bar.

#***Switching between any other difficulties will not reset the debuff mechanism.

#To simulate simultaneity of battles in different locations, '''Tag Conditions & Deployment Restrictions''' are employed.

#To simulate simultaneity of battles in different locations, '''Tag Conditions & Deployment Restrictions''' are employed.

#*Ships not already color-tagged will be tagged with the color associated with a map or map's phase when deployed. This tag will be applied regardless of the difficulty and can't be removed by any measure before the end of the event.

#*Ships not already color-tagged will be tagged with the color associated with a map or map's phase when deployed. This tag will be applied regardless of the difficulty and can't be removed by any measure before the end of the event.

#*In order to play a map on Hard difficulty, the prior map must have been completed on either Normal or Hard.

#*In order to play a map on Hard difficulty, the prior map must have been completed on either Normal or Hard.

#*e.g., to do E-2 on hard, you must have completed E-1 on normal or hard.

#*e.g., to do E-2 on hard, you must have completed E-1 on normal or hard.

#The debuff system from [[Summer 2015 Event]]'s final map, where certain nodes had to be attacked and other conditions fulfilled to reduce boss armor, will return.

#'''Gimmicks''' are returning, asking you to accomplish certain requirements on a given map to unlock several things :

#*Boss debuff, from [[Summer 2015 Event]]'s final map, where once you reach the "Last Dance" of the final boss of a given map, you can unlock its debuffed form.

#*Map phases, where some map areas need to be unlocked, like on [[7-2]] and [[7-3]].

#**Map areas can either be a path to the next boss, an intermediate path asking for new gimmicks, or a shortcut.

# It is possible that a fleet with '''seven''' ships ('''[[Striking Force Fleet]]''') will be allowed to sortie to certain event maps that permit '''single fleet operations'''.

# It is possible that a fleet with '''seven''' ships ('''[[Striking Force Fleet]]''') will be allowed to sortie to certain event maps that permit '''single fleet operations'''.

#*The Striking Force '''cannot''' be sortied during exercises or sent on expeditions while it contains seven ships.

#*The Striking Force '''cannot''' be sortied during exercises or sent on expeditions while it contains seven ships.