Event happened on NA server.
After 10 hour maintenance on 9/24 (Tue) 10:00pm - 9/25 (Wed) 8:00am JST
Official notes from the official site, with the news of Sonia + more things buffs (with basically no details)!…
Started already, since 2/21 (Wed) 6pm JST.
Yog @ MP store: 2/22 (Thurs) 12pm – 2/28 (Wed) 11:59pm JST.
… Yog @ MP store: 2/22 (Thurs) 12pm – 2/28 (Wed) 11:59pm JST.