2017 Winter collaboration event. Event starts after 16th of November 2017 maintenance (CN).
New elements and mechanics
There's no new mechanic present in this event. Any mechanic that present in the Deep Dive will also present here, such as creating and maintaining supply line and rescuing hostages. Also worth to mention that Goliath+ has been modified to Walker (Burst) to fit the event story.
- AR Murata HimekoMurata Himeko (Obtained as a reward for clearing E1-4)
- HG KianaKiana (Obtained as a reward for clearing E2-2)
- RF Raiden MeiRaiden Mei (Can be obtained as a drop in E1-3, E1-4, and E2-1)
- RF BronyaBronya (Can be obtained as a drop in levels E2-2, E2-3. and E2-4)
- HG TheresaTheresa (Can be exchanged in the event shop with nyan kings)
- SG SeeleSeele (Can be exchanged in the shop with nyan kings)
- Yae Sakura (Obtained as a reward for clearing E2-1)
- Kaguya Hime (Can be exchanged in the shop with nyan kings)
- Chloe (Can be exchanged in the shop with nyan kings)
Upon defeating certain enemy in the event maps with S-rank, player can get Super Diamond Nyan King item. that can be exchanged with various items in the event shop. Hitoribocchi event shop can be accessed from the shop interface.
Exchangeable rewards and pricing as following:
|Doll Costume||Festival||x120||1||SG SeeleSeele|
|Item||Poem of Light||x2||60|
|Card Icon||Kiana Kaslana||x15||1|
|Card Icom||Raiden Mei||x15||1|
|Card Icon||Murata Himeko||x15||1|
|Card Icon||Seele Vollerei||x15||1|
|Card Icon||Bronya Zaychik||x15||1|
|Card Background||Sorcerer-Collapse (tentative)||x20||1|
|Card Background||Solitary Master-Cover (tentative)||x20||1|