The only way to win gold is by accomplishing quest, if you are good you will complete quest faster.
Now you are rich ! You can buy 1 chest for 100golds or participate in the arena for 150.
When you open a chest you can have this kind of stuff.
There is 14 weapons on the game. All weapon (except legendary) can be loot white, blue and epic !
All stats while be random between 1 to 10. Legendary’s one will be 5 to 10.
More you play, more you will receive rewards !