We are Heroes In the Sky team.
We checked Weekend Event Raid Ticket Drop error.
We apologize for any inconvenience.
As a reward, We perform surprise event - drop the raid ticket as shown below!
GMT: 2018.09.03 10:00 ~ 2018.09.06 before maintenance
PTS: 2018.09.03 02:00 ~ 2018.09.06 before maintenance
> Acquired [Raid Ticket]
When you play missions during this event period.