Event duration: January 13th 16:00 - January 20th 13:59. (JST)
Draw rates for the following cards have been increased for the duration of the event:
Both servants will be unlocked for everyone even if you haven't cleared London for the duration of the event.
AP 1/2 Campaign
During the course of the campaign, Ember Gathering Quests consume 1/2 AP than usual.