User blog comment:Shinhwalee/Major Event Preparation Guide for Admirals/@comment-3502824-20150414064950/@comment-25730832-20150414174245

I don't think Ship locking is confirmed yet. I've been keeping track of the tweets daily just in case it shows up. Here's the info I had from my thread regarding what was already mentioned in the event:

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 FAQS
 * The event seems to be []
 * Source:
 * Pro-tip:
 * Event will start at the last week of April (possibly Apr 23rd, KC anniversary)
 * Event will last 20 days.
 * The next event will be a large-scale event...which is probably 6 maps.
 * Source: [April 12 tweet]
 * Possibility of old system showing up:
 * Difficulty system (CONFIRMED:https://twitter.com/KanColle_STAFF/status/584539433480822786)
 * Read the Difficulty System from last event PLEASE. It's already detailed enough.
 * "Why didn't you put it here?" --> I'm a lazy fruit and I'm sure you guys can handle one more page loading.
 * Combined Fleet (HIGH)
 * Ship lock(Medium - High) > This is due to the previous LARGE EVENT having Ship locking.
 * Regen bar (LOW, don't freak out to this)
 * Ariel Combat Node:
 * Can be seen in World 1-6 looking like two arrows.
 * In such node, there will be two Air combat phase instead of one. There will be no shooting, therefore no shelling or torpedo phase.