Greetings, lords.
The Coliseum issue is fixed.
You can play the content now.
We will always try our best for better game service.
An issue has been found where you cannot obtain Gladiators' Isle Tier Rewards in Coliseum.
We are currently investigating the cause,
and will try to fix it as quickly as possible.
We apologize for the inconvenience.
Thank you
Lord of Heroes team