Luck Royal is very important in game and those player who can't spend money in game they get this free bundle in gold Royal. In gold Royal you can get others temporary items for some days. In this Royal you can get only one thing permanent that is bundle. In this Royal you can spin 1 and 10 voucher.
So guys this is on your luck because game give you grand prize on any time. Basically you need 200 luck in gold Royal to get prize. That is not fix that you got grand prize on 200 luck this is on your luck.
In others luck Royal you need 100 luck in Royal.