It’s a battle between 2 Poison users, Mayuri and Szayelaporro! This event kinda caught me off guard as the Setsubun event has not ended yet.
Event Details
Clear event quests to earn random rewards.
There is a chance to get 4* characters regardless of the difficulty of the quest. Non-boss enemies may drop 3* characters. There is no limit to the number of characters you can earn this way.
Period
4/11 16:00 – 4/18 15:59 (JPT)
For more details on the event, check out the guide here.