New to the 2021 event, this 1-hour buff improves the amount of Guest Happiness gained while in the Ember Court scenario and Friendship reputation for the Tribute phase. It can stack to 20, for a total of 300%. Brewfest
The related objects are located throughout the Ember Court, though several can be immediately found in Theotar's area. If you have a lot of , I recommend grabbing several stacks to give an early boost to Guest Happiness. Don't worry about missing out on bonus GH! Save getting the full amount of stacks towards the end of the festivities since Friendship is the real goal here. Ambassador's Reserve
I obtained 20 stacks of the buff which resulted in 22,000 rep. This only really benefited two of the guests I had at that time, as one was already Best Friend and another very close to BF status. So to make the most out of this, you'll need to balance Guest preferences against those whom you have the least status with.