I always find it weird to not see the maintenance notice posted
Notice: Maintenance

Thank you for playing Millennium War Aigis.

Maintenance will be performed on April 4, 2017 (Tue) 3AM.
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Maintenance Period
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April 4, 2017 (Tue) 3AM ~
April 4, 2017 (Tue) 6AM (EST) (Estimated Completion Time)

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Maintenance Details
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Limited Time Event
- The Urgent Mission
　"The Deadly Sword that Shook the Earth" is now in progress
- The Revival Mission "Crisis of the Fairy Village" begins

Change of unit list of Trading Post
- Start of the Exchange of Moment Crystals
　"Dark Elf Rowanna"

Other Changes
- Changed the Unit boosted in Premium Summon

All users should be sure to finish their current games 5 minutes
prior to the start of maintenance.
Game data may not save properly in the minutes before
maintenance commences.

Please be aware that you will not be able to play the game during
the Maintenance Period listed above.

We apologize for any inconvenience this may cause, and ask for
your understanding and cooperation.

The Millennium War Aigis Development Team
So Rowanna's revival is upon us, how good is she? Should I get one copy for collection purposes or try for more to CR her?