** The prerequisite for the quest is one of the event preparation quests that was released in the [[Game Updates/2021/August 4th|August 4th update]] prior to the event.
** The prerequisite for the quest is one of the event preparation quests that was released in the [[Game Updates/2021/August 4th|August 4th update]] prior to the event.
* For players who wish to clear E1 on Hard mode, the quests can be cleared on '''Casual''' first before switching to Hard mode and clearing the map.
* For players who wish to clear E1 on Hard mode, the quests can be cleared on '''Casual''' first before switching to Hard mode and clearing the map.
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** Also be aware that you'll need to redo majority of the map once you switch to hard. So unless you really need to conserve resources, you can opt to do all the quests while clearing on hard if your are confident enough.
{{color|red|※ Once the 2nd starting point has been unlocked, having '''"3 historical European ships*"''' or '''"2+ DDs & 2+ CLs & 1- DE"''' or a '''"Strike Force"''' should guarantee starting from the 2nd point and giving the '''"grey lock"''' to the fleet.}}
{{color|red|※ Once the 2nd starting point has been unlocked, having '''"3 historical European ships*"''' or '''"2+ DDs & 2+ CLs & 1- DE"''' or a '''"Strike Force"''' should guarantee starting from the 2nd point and giving the '''"grey lock"''' to the fleet.}}