Golden Machine

The Golden Machine is a machine located in Spawn world, which allows players to turn their pets into the golden forms of their predecessors with diamonds for a fee. Within the machine, the player can select their pet(s) to turn into gold, attempt to turn, and fortunately have their pet turned into their golden form. Selecting more pets will increase the cost of diamonds, while at the same time, the higher a chance to turn a golden pet. 
Failing turning those pets will eliminate them completely from pet slots.