Event Duration: 13 Feb 20 ~ 16 Feb 20

This event offers the chance to get Opera Cake Artifact energy more efficiently by challenging special stages with either Stamina or “Gate of Trials Tickets”.

Gate of Trials Tickets can be bought in shop for 5 Magic Crystals each to a maximum of 300 each day.

As the stage difficulty increases, you can earn more energy as seen:

Stage Difficulty	Stamina Needed	Tickets Needed	Energy Earned
1	50	5	5
2	45	4	5
3	85	7	10
4	80	6	10
5	110	8	15
6	105	7	15

Read more about Artifacts here.
Read more about Opera Cake here.