Log in every day during event period for 10 minutes and a Burning Day cube will be sent to your character. (Sent to Only 1 character per day)

Burning Day cube contains Event Muramasa Sword and a Burning Elemental Wing accessories.(Timed)

It also contains 1 Burning Ticket

Collect these to trade for various items. If you collect 14 of them you can get free permanent Costume Set at Ariel.

Here’s the exchange menu at Ariel. Each cube contains full costume sets.

In order from left to right these boxes contain:

[ELS Beach Look Set(No Add’s)] [Elrios Musketeer Set] [Elrios Salvation Army Set] [Star Idol Set]

Another Burning Event: