key bug

Due to the recent crashings and unstable connections within the servers, I have lost many things. I’d like to address to you about the lost diamond key of mine. I received the key from Diamond 3 rift reward and spent the key on Model Leader to upgrade her second attack stat tree. The key got...

Alright, I’m posting this in hopes no one can have the same problem occur. Last week, I played through the event, and when I both 1) completed the treasure node and 2) 100%’d the event, I got no keys. Then, today, I got the three bronze keys from the node, and the bronze, silver, and gold key...