How do i contact support? I was billed twice for a sacred shard pack. I didnt get twice the item's.

Hello is there anyone here that can help me. I tryed going to support ingame but i wont load.

I would like a refund are the items i purchased are you can cancel the transaction. If this problem isnt resolved by the end of the day ill go to my bank and cancel it myself

My ing is jinx504